10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

____________________________________________ 

FORM 10-Q

____________________________________________ 

(Mark One)

xQUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the quarterly period ended September 30, 2014

or

o TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the transition period from            to            

Commission File Number: 001-35551

____________________________________________ 

FACEBOOK, INC.

(Exact name of registrant as specified in its charter)

____________________________________________ 

Delaware	20-1665019
(State or other jurisdiction of incorporation or organization)	(I.R.S. Employer Identification Number)

1601 Willow Road, Menlo Park, California 94025

(Address of principal executive offices and Zip Code)

(650) 543-4800

(Registrant's telephone number, including area code)

 ____________________________________________

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 (Exchange Act) during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.    Yes  x    No  ¨

Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files).    Yes  x    No  ¨

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, or a smaller reporting company. See definition of "large accelerated filer," "accelerated filer" and "smaller reporting company" in Rule 12b-2 of the Exchange Act. (Check one):

Large accelerated filer	x	Accelerated filer	¨
Non-accelerated filer	¨ (Do not check if a smaller reporting company)	Smaller reporting company	¨

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).    Yes  ¨    No x

Indicate the number of shares outstanding of each of the issuer's classes of Common Stock, as of the latest practicable date.

Class	Number of Shares Outstanding
Class A Common Stock $0.000006 par value	2,223,936,268 shares outstanding as of October 27, 2014
Class B Common Stock $0.000006 par value	563,911,667 shares outstanding as of October 27, 2014

FACEBOOK, INC.

TABLE OF CONTENTS

		Page No.
Note About Forward-Looking Statements		3
Limitations of Key Metrics and Other Data		4
PART I—FINANCIAL INFORMATION		5
Item 1.	Financial Statements (unaudited)	5
	Condensed Consolidated Balance Sheets—September 30, 2014 and December 31, 2013	5
	Condensed Consolidated Statements of Income—for the three and nine months ended September 30, 2014 and 2013	6
	Condensed Consolidated Statements of Comprehensive Income—for the three and nine months ended September 30, 2014 and 2013	7
	Condensed Consolidated Statements of Cash Flows—for the nine months ended September 30, 2014 and 2013	8
	Notes to Condensed Consolidated Financial Statements	10
Item 2.	Management's Discussion and Analysis of Financial Condition and Results of Operations	22
Item 3.	Quantitative and Qualitative Disclosures About Market Risk	35
Item 4.	Controls and Procedures	35
PART II—OTHER INFORMATION		37
Item 1.	Legal Proceedings	37
Item 1A.	Risk Factors	38
Item 2.	Unregistered Sales of Equity Securities and Use of Proceeds	58
Item 6.	Exhibits	59
SIGNATURES		60

2

NOTE ABOUT FORWARD-LOOKING STATEMENTS

This Quarterly Report on Form 10-Q contains forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. All statements contained in this Quarterly Report on Form 10-Q other than statements of historical fact, including statements regarding our future results of operations and financial position, our business strategy and plans, and our objectives for future operations, are forward-looking statements. The words "believe," "may," "will," "estimate," "continue," "anticipate," "intend," "expect," and similar expressions are intended to identify forward-looking statements. We have based these forward-looking statements largely on our current expectations and projections about future events and trends that we believe may affect our financial condition, results of operations, business strategy, short-term and long-term business operations and objectives, and financial needs. These forward-looking statements are subject to a number of risks, uncertainties and assumptions, including those described in Part II, Item 1A, "Risk Factors" in this Quarterly Report on Form 10-Q. Moreover, we operate in a very competitive and rapidly changing environment. New risks emerge from time to time. It is not possible for our management to predict all risks, nor can we assess the impact of all factors on our business or the extent to which any factor, or combination of factors, may cause actual results to differ materially from those contained in any forward-looking statements we may make. In light of these risks, uncertainties and assumptions, the future events and trends discussed in this Quarterly Report on Form 10-Q may not occur and actual results could differ materially and adversely from those anticipated or implied in the forward-looking statements.

We undertake no obligation to revise or publicly release the results of any revision to these forward-looking statements, except as required by law. Given these risks and uncertainties, readers are cautioned not to place undue reliance on such forward-looking statements.

Unless expressly indicated or the context requires otherwise, the terms "Facebook," "company," "we," "us," and "our" in this document refer to Facebook, Inc., a Delaware corporation, and, where appropriate, its wholly owned subsidiaries. The term "Facebook" may also refer to our products, regardless of the manner in which they are accessed. For references to accessing Facebook on the "web" or via a "website," such terms refer to accessing Facebook on desktop or personal computers. For references to accessing Facebook on "mobile," such term refers to accessing Facebook via a mobile application or via a mobile-optimized version of our website such as m.facebook.com, whether on a mobile phone or tablet.

3

LIMITATIONS OF KEY METRICS AND OTHER DATA

The numbers for our key metrics, which include our daily active users (DAUs), mobile DAUs, monthly active users (MAUs), mobile MAUs, and average revenue per user (ARPU), as well as certain other metrics such as mobile-only DAUs and mobile-only MAUs, are calculated using internal company data based on the activity of user accounts. While these numbers are based on what we believe to be reasonable estimates of our user base for the applicable period of measurement, there are inherent challenges in measuring usage of our products across large online and mobile populations around the world.

For example, there may be individuals who maintain one or more Facebook accounts in violation of our terms of service. We estimate, for example, that "duplicate" accounts (an account that a user maintains in addition to his or her principal account) may have represented between approximately 4.3% and 7.9% of our worldwide MAUs in 2013. We also seek to identify "false" accounts, which we divide into two categories: (1) user-misclassified accounts, where users have created personal profiles for a business, organization, or non-human entity such as a pet (such entities are permitted on Facebook using a Page rather than a personal profile under our terms of service); and (2) undesirable accounts, which represent user profiles that we determine are intended to be used for purposes that violate our terms of service, such as spamming. In 2013, for example, we estimate user-misclassified accounts may have represented between approximately 0.8% and 2.1% of our worldwide MAUs and undesirable accounts may have represented between approximately 0.4% and 1.2% of our worldwide MAUs. We believe the percentage of accounts that are duplicate or false is meaningfully lower in developed markets such as the United States or United Kingdom and higher in developing markets such as India and Turkey. However, these estimates are based on an internal review of a limited sample of accounts and we apply significant judgment in making this determination, such as identifying names that appear to be fake or other behavior that appears inauthentic to the reviewers. As such, our estimation of duplicate or false accounts may not accurately represent the actual number of such accounts. We are continually seeking to improve our ability to identify duplicate or false accounts and estimate the total number of such accounts, and such estimates may change due to improvements or changes in our methodology. Due to inherent variability in such estimates at particular dates of measurement, we disclose these estimates as a range over a recent period.

Our data limitations may affect our understanding of certain details of our business. For example, while user-provided data indicates a decline in usage among younger users, this age data is unreliable because a disproportionate number of our younger users register with an inaccurate age. Accordingly, our understanding of usage by age group may not be complete.

Some of our metrics have also been affected by applications on certain mobile devices that automatically contact our servers for regular updates with no user action involved, and this activity can cause our system to count the user associated with such a device as an active user on the day such contact occurs. For example, we estimate that less than 5% of our estimated worldwide DAUs as of December 31, 2011 resulted from this type of automatic mobile activity, and that this type of activity had a substantially smaller effect on our estimate of worldwide MAUs and mobile MAUs. The impact of this automatic activity on our metrics varies by geography because mobile usage varies in different regions of the world. In addition, our data regarding the geographic location of our users is estimated based on a number of factors, such as the user's IP address and self-disclosed location. These factors may not always accurately reflect the user's actual location. For example, a mobile-only user may appear to be accessing Facebook from the location of the proxy server that the user connects to rather than from the user's actual location. The methodologies used to measure user metrics may also be susceptible to algorithm or other technical errors. For example, in early June 2012, we discovered an error in the algorithm we used to estimate the geographic location of our users that affected our attribution of certain user locations for the period ended March 31, 2012. While this issue did not affect our overall worldwide DAU and MAU numbers, it did affect our attribution of users across different geographic regions. We estimate that the number of MAUs as of March 31, 2012 for the United States & Canada region was overstated as a result of the error by approximately 3% and this overstatement was offset by understatements in other regions. The number of such users for the period ended March 31, 2012 disclosed in "Management's Discussion and Analysis of Financial Condition and Results of Operations — Trends in Our User Metrics" reflects the reclassification to more correctly attribute users by geographic region. Our estimates for revenue by user location and revenue by user device are also affected by these factors.

We regularly review our processes for calculating these metrics, and from time to time we may discover inaccuracies in our metrics or make adjustments to improve their accuracy, including adjustments that may result in the recalculation of our historical metrics. We believe that any such inaccuracies or adjustments are immaterial unless otherwise stated. In addition, our DAU and MAU estimates will differ from estimates published by third parties due to differences in methodology. For example, some third parties are not able to accurately measure mobile users or do not count mobile users for certain user groups or at all in their analyses.

The numbers of DAUs, mobile DAUs, MAUs, mobile MAUs, mobile-only DAUs and mobile-only MAUs discussed in this Quarterly Report on Form 10-Q, as well as ARPU, do not include users of Instagram unless they would otherwise qualify as such users, respectively, based on their other activities on Facebook. In addition, other user engagement metrics included herein do not include Instagram unless otherwise specifically stated.

4

PART I—FINANCIAL INFORMATION

Item 1. Financial Statements

FACEBOOK, INC.

CONDENSED CONSOLIDATED BALANCE SHEETS

(In millions, except for number of shares and par value)

(Unaudited)

	September 30, 2014			December 31, 2013
Assets
Current assets:
Cash and cash equivalents	$	8,999		$	3,323
Marketable securities	5,251			8,126
Accounts receivable, net of allowances for doubtful accounts of $35 and $38 as of September 30, 2014 and December 31, 2013, respectively	1,363			1,109
Prepaid expenses and other current assets	502			512
Total current assets	16,115			13,070
Property and equipment, net	3,703			2,882
Intangible assets, net	1,317			883
Goodwill	2,612			839
Other assets	441			221
Total assets	$	24,188		$	17,895
Liabilities and stockholders' equity
Current liabilities:
Accounts payable	$	120		$	87
Partners payable	208			181
Accrued expenses and other current liabilities	709			555
Deferred revenue and deposits	48			38
Current portion of capital lease obligations	149			239
Total current liabilities	1,234			1,100
Capital lease obligations, less current portion	129			237
Other liabilities	1,587			1,088
Total liabilities	2,950			2,425
Stockholders' equity:
Common stock, $0.000006 par value; 5,000 million Class A shares authorized, 2,044 million and 1,970 million shares issued and outstanding, including 4 million and 6 million outstanding shares subject to repurchase, as of September 30, 2014 and December 31, 2013, respectively; 4,141 million Class B shares authorized, 564 million and 577 million shares issued and outstanding, including 8 million and 6 million outstanding shares subject to repurchase, as of September 30, 2014 and December 31, 2013, respectively	—			—
Additional paid-in capital	15,949			12,297
Accumulated other comprehensive (loss) income	(109		)	14
Retained earnings	5,398			3,159
Total stockholders' equity	21,238			15,470
Total liabilities and stockholders' equity	$	24,188		$	17,895

See Accompanying Notes to Condensed Consolidated Financial Statements.

5

FACEBOOK, INC.

CONDENSED CONSOLIDATED STATEMENTS OF INCOME

(In millions, except per share amounts)

(Unaudited)

	Three Months Ended September 30,						Nine Months Ended September 30,
	2014			2013			2014			2013
Revenue	$	3,203		$	2,016		$	8,615		$	5,286
Costs and expenses:
Cost of revenue	565			507			1,501			1,384
Research and development	608			369			1,555			1,006
Marketing and sales	374			233			1,055			704
General and administrative	259			171			643			520
Total costs and expenses	1,806			1,280			4,754			3,614
Income from operations	1,397			736			3,861			1,672
Interest and other income/(expense), net	(61		)	(10		)	(65		)	(48		)
Income before provision for income taxes	1,336			726			3,796			1,624
Provision for income taxes	530			301			1,557			647
Net income	$	806		$	425		$	2,239		$	977
Less: Net income attributable to participating securities	4			3			10			6
Net income attributable to Class A and Class B common stockholders	$	802		$	422		$	2,229		$	971
Earnings per share attributable to Class A and Class B common stockholders:
Basic	$	0.31		$	0.17		$	0.87		$	0.40
Diluted	$	0.30		$	0.17		$	0.86		$	0.39
Weighted average shares used to compute earnings per share attributable to Class A and Class B common stockholders:
Basic	2,587			2,430			2,565			2,408
Diluted	2,644			2,528			2,616			2,504
Share-based compensation expense included in costs and expenses:
Cost of revenue	$	16		$	12		$	44		$	31
Research and development	243			164			643			432
Marketing and sales	53			34			146			91
General and administrative	41			29			108			79
Total share-based compensation expense	$	353		$	239		$	941		$	633

See Accompanying Notes to Condensed Consolidated Financial Statements.

6

FACEBOOK, INC.

CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME

(In millions)

(Unaudited)

	Three Months Ended September 30,						Nine Months Ended September 30,
	2014			2013			2014			2013
Net income	$	806		$	425		$	2,239		$	977
Other comprehensive income (loss):
Change in foreign currency translation adjustment	(102		)	38			(123		)	7
Change in unrealized gain/loss on available-for-sale investments, net of tax	(2		)	4			—			1
Change in unrealized gain/loss on derivative, net of tax	—			(1		)	—			3
Comprehensive income	$	702		$	466		$	2,116		$	988

See Accompanying Notes to Condensed Consolidated Financial Statements.

7

FACEBOOK, INC.

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS

(In millions)

(Unaudited)

	Nine Months Ended September 30,
	2014			2013
Cash flows from operating activities
Net income	$	2,239		$	977
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	810			737
Lease abandonment	(31		)	108
Share-based compensation	941			633
Deferred income taxes	(30		)	21
Tax benefit from share-based award activity	1,354			277
Excess tax benefit from share-based award activity	(1,365		)	(285		)
Other	5			39
Changes in assets and liabilities:
Accounts receivable	(264		)	(145		)
Prepaid expenses and other current assets	(45		)	433
Other assets	(158		)	(35		)
Accounts payable	12			(17		)
Partners payable	(22		)	2
Accrued expenses and other current liabilities	198			(105		)
Deferred revenue and deposits	3			6
Other liabilities	227			345
Net cash provided by operating activities	3,874			2,991
Cash flows from investing activities
Purchases of property and equipment	(1,314		)	(879		)
Purchases of marketable securities	(6,215		)	(4,364		)
Sales of marketable securities	7,391			2,433
Maturities of marketable securities	1,710			2,954
Acquisitions of businesses, net of cash acquired, and purchases of intangible assets	(754		)	(237		)
Change in restricted cash and deposits	(113		)	4
Other investing activities, net	(2		)	(1		)
Net cash provided by (used in) investing activities	703			(90		)
Cash flows from financing activities
Taxes paid related to net share settlement of equity awards	(3		)	(706		)
Proceeds from exercise of stock options	7			20
Repayment of long-term debt	—			(1,500		)
Principal payments on capital lease obligations	(199		)	(291		)
Excess tax benefit from share-based award activity	1,365			285
Net cash provided by (used in) financing activities	1,170			(2,192		)
Effect of exchange rate changes on cash and cash equivalents	(71		)	7
Net increase in cash and cash equivalents	5,676			716
Cash and cash equivalents at beginning of period	3,323			2,384
Cash and cash equivalents at end of period	$	8,999		$	3,100

See Accompanying Notes to Condensed Consolidated Financial Statements.

8

FACEBOOK, INC.

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS

(In millions)

(Unaudited)

	Nine Months Ended September 30,
	2014		2013
Supplemental cash flow data
Cash paid during the period for:
Interest	$	11	$	33
Income taxes	$	107	$	61
Cash received during the period for:
Income taxes	$	6	$	419
Non-cash investing and financing activities:
Net change in accounts payable and accrued expenses and other current liabilities related to property and equipment additions	$	38	$	31
Property and equipment acquired under capital leases	$	—	$	11
Fair value of shares issued related to acquisitions of businesses	$	1,368	$	77

See Accompanying Notes to Condensed Consolidated Financial Statements.

9

FACEBOOK, INC.

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

Note 1. Summary of Significant Accounting Policies

Basis of Presentation

The accompanying unaudited condensed consolidated financial statements have been prepared in accordance with generally accepted accounting principles in the United States (GAAP) and applicable rules and regulations of the Securities and Exchange Commission regarding interim financial reporting. Certain information and note disclosures normally included in the financial statements prepared in accordance with GAAP have been condensed or omitted pursuant to such rules and regulations. As such, the information included in this quarterly report on Form 10-Q should be read in conjunction with the consolidated financial statements and accompanying notes included in our Annual Report on Form 10-K for the fiscal year ended December 31, 2013.

The condensed consolidated balance sheet as of December 31, 2013 included herein was derived from the audited financial statements as of that date, but does not include all disclosures including notes required by GAAP.

The condensed consolidated financial statements include the accounts of Facebook, Inc. and its wholly owned subsidiaries. All intercompany balances and transactions have been eliminated.

The accompanying condensed consolidated financial statements reflect all normal recurring adjustments necessary to present fairly the financial position, results of operations, and cash flows for the interim periods, but are not necessarily indicative of the results of operations to be anticipated for the full year ending December 31, 2014.

There have been no changes to our significant accounting policies described in our Annual Report on Form 10-K for the fiscal year ended December 31, 2013 that have had a material impact on our condensed consolidated financial statements and related notes.

Use of Estimates

Conformity with GAAP requires the use of estimates and judgments that affect the reported amounts in the condensed consolidated financial statements and accompanying notes. These estimates form the basis for judgments we make about the carrying values of our assets and liabilities, which are not readily apparent from other sources. We base our estimates and judgments on historical information and on various other assumptions that we believe are reasonable under the circumstances. GAAP requires us to make estimates and judgments in several areas, including, but not limited to, those related to revenue recognition, collectability of accounts receivable, contingent liabilities, fair value of financial instruments, fair value of acquired intangible assets and goodwill, useful lives of intangible assets and property and equipment, and income taxes. These estimates are based on management's knowledge about current events and expectations about actions we may undertake in the future. Actual results could differ materially from those estimates.

Recent Accounting Pronouncements

 In May 2014, the Financial Accounting Standards Board issued guidance related to revenue from contracts with customers. Under this guidance, revenue is recognized when promised goods or services are transferred to customers in an amount that reflects the consideration that is expected to be received for those goods or services. The updated standard will replace most existing revenue recognition guidance under GAAP when it becomes effective and permits the use of either the retrospective or cumulative effect transition method. Early adoption is not permitted. The updated standard will be effective for us in the first quarter of 2017. We have not yet selected a transition method and we are currently evaluating the effect that the updated standard will have on our consolidated financial statements and related disclosures.

Note 2. Acquisitions

In July 2014, we completed our acquisition of Oculus VR, Inc. (Oculus), a privately-held company developing virtual reality technology that is expected to expand our platform. Pursuant to the merger agreement, we issued 23 million shares of our Class B common stock and paid $400 million in cash. Furthermore, up to an additional three million shares of our Class B common stock and $60 million in cash will be payable contingent upon the completion of certain milestones. We determined the acquisition-date fair value of the contingent consideration liability, based on the likelihood of payment related to the contingent earn-out clauses, as part of the consideration transferred. For contingent consideration to be settled in common stock, we use the fair value of the shares as of the acquisition date, which is remeasured on each reporting date until settlement. See Note 5 “Fair Value Measurements" for subsequent measurements of this contingent liability. The earn-out portion that would be payable to employee equityholders is subject to continuous employment through the applicable payment dates and as such has been excluded from

10

purchase consideration transferred and accounted for as share-based compensation and other compensation expense.

We have accounted for this acquisition as a business combination. This method requires, among other things, that assets acquired and liabilities assumed in a business combination be recognized at their fair values as of the acquisition date and that in-process research and development (IPR&D) be recorded at fair value on the balance sheet regardless of the likelihood of success of the related product or technology.

The following table summarizes the components of the purchase consideration transferred based on the closing price of our common stock as of the acquisition date (in millions):

Cash	$	400
Common stock	1,601
Less: post-acquisition share-based compensation and other compensation expense	(297		)
Less: cash acquired on acquisition date	(20		)
Total purchase consideration, excluding contingent consideration	$	1,684
Contingent consideration	169
Purchase consideration	$	1,853

Of the $297 million of share-based compensation and other compensation expense excluded from the purchase consideration above, approximately $13 million was recognized as share-based compensation at closing as a result of the vesting provisions of employee replacement awards on the acquisition date. The remaining $284 million is subject to continuous employment and will be recognized as share-based compensation and other compensation expense over the required service period of four years.

The fair value of assets acquired and liabilities assumed from our acquisition of Oculus was based on a preliminary valuation and our estimates and assumptions are subject to change within the measurement period. The primary areas of the purchase price that are not yet finalized are related to income taxes and residual goodwill. Measurement period adjustments that we determine to be material will be applied retrospectively to the period of acquisition in our condensed consolidated financial statements and, depending on the nature of the adjustments, other periods subsequent to the period of acquisition could also be affected.

In the nine months ended September 30, 2014, we also completed other business acquisitions for total cash consideration of $456 million. These acquisitions were not material to our condensed consolidated financial statements either individually or in the aggregate. We have included the financial results of Oculus and the other business acquisitions, which are not material, in our condensed consolidated financial statements from their respective dates of acquisition. Pro forma historical results of operations related to our acquisitions of Oculus and the other business acquisitions during the nine months ended September 30, 2014 have not been presented because they are not material to our condensed consolidated statements of income, either individually or in the aggregate.

The following table summarizes the allocation of the fair values of the assets acquired and liabilities assumed, including those items that are still preliminary, and the related useful lives, where applicable:

	Oculus				Other
	(in millions)			Useful lives (in years)	(in millions)			Useful lives (in years)
Finite-lived intangible assets:
Acquired technology	$	235		5	$	62		3 - 5
Tradename and other	132			2 - 7	87			3 - 5
IPR&D intangible assets	60				—
Net assets acquired	—				104
Deferred tax liabilities	(107		)		(41		)
Net assets acquired	$	320			$	212
Goodwill	1,533				244
Total fair value	$	1,853			$	456

IPR&D intangible assets represent the value assigned to acquired research and development projects that, as of the acquisition date had not established technological feasibility and had no alternative future use. The IPR&D intangible assets are capitalized and accounted for as indefinite-lived intangible assets and will be subject to impairment testing until completion or abandonment

11

of the projects. Upon successful completion of each project and launch of the product, we will make a separate determination of useful life of the IPR&D intangible assets and the related amortization will be recorded as an expense over the estimated useful life of the specific projects.

Goodwill generated from all business acquisitions completed during the nine months ended September 30, 2014 is primarily attributable to expected synergies from future growth, from potential monetization opportunities and, also for Oculus, as a potential to expand our platform. All goodwill generated during this period is not deductible for tax purposes.

Note 3. Earnings per Share

We compute earnings per share (EPS) of Class A and Class B common stock using the two-class method required for participating securities. We consider restricted stock awards to be participating securities because holders of such shares have non-forfeitable dividend rights in the event of our declaration of a dividend for common shares.

Undistributed earnings allocated to participating securities are subtracted from net income in determining net income attributable to common stockholders. Basic EPS is computed by dividing net income attributable to common stockholders by the weighted-average number of shares of our Class A and Class B common stock outstanding, adjusted for outstanding shares that are subject to repurchase.

For the calculation of diluted EPS, net income attributable to common stockholders for basic EPS is adjusted by the effect of dilutive securities, including awards under our equity compensation plans. In addition, the computation of the diluted EPS of Class A common stock assumes the conversion of our Class B common stock to Class A common stock, while the diluted EPS of Class B common stock does not assume the conversion of those shares to Class A common stock. Diluted EPS attributable to common stockholders is computed by dividing the resulting net income attributable to common stockholders by the weighted-average number of fully diluted common shares outstanding. Basic and dilutive securities in our basic and diluted EPS calculation for the three and nine months ended September 30, 2014 do not include contingent earn-out shares resulting from our acquisition of Oculus. Issuance of these earn-out shares is dependent upon the completion of certain milestones. These milestones were not met as of September 30, 2014 and accordingly, these shares are excluded from the effect of basic and dilutive securities.

We have also excluded 15 million restricted stock units (RSUs) from the EPS calculation for the nine months ended September 30, 2013 because the impact would be anti-dilutive. Shares excluded from the calculation were not material for the three and nine months ended September 30, 2014 and the three months ended September 30, 2013.

Basic and diluted EPS are the same for each class of common stock because they are entitled to the same liquidation and dividend rights.

12

The numerators and denominators of the basic and diluted EPS computations for our common stock were calculated as follows (in millions, except per share amounts):

	Three Months Ended September 30,								Nine Months Ended September 30,
	2014				2013				2014				2013
	Class A		Class B		Class A		Class B		Class A		Class B		Class A		Class B
Basic EPS:
Numerator
Net income	$	632	$	174	$	320	$	105	$	1,747	$	492	$	717	$	260
Less: Net income attributable to participating securities	3		1		2		1		8		2		4		2
Net income attributable to common stockholders	$	629	$	173	$	318	$	104	$	1,739	$	490	$	713	$	258
Denominator
Weighted average shares outstanding	2,032		567		1,833		611		2,006		570		1,773		649
Less: Shares subject to repurchase	4		8		6		8		5		6		5		9
Number of shares used for basic EPS computation	2,028		559		1,827		603		2,001		564		1,768		640
Basic EPS	$	0.31	$	0.31	$	0.17	$	0.17	$	0.87	$	0.87	$	0.40	$	0.40
Diluted EPS:
Numerator
Net income attributable to common stockholders	$	629	$	173	$	318	$	104	$	1,739	$	490	$	713	$	258
Reallocation of net income attributable to participating securities	4		—		3		—		10		—		6		—
Reallocation of net income as a result of conversion of Class B to Class A common stock	173		—		104		—		490		—		258		—
Reallocation of net income to Class B common stock	—		7		—		13		—		18		—		29
Net income attributable to common stockholders for diluted EPS	$	806	$	180	$	425	$	117	$	2,239	$	508	$	977	$	287
Denominator
Number of shares used for basic EPS computation	2,028		559		1,827		603		2,001		564		1,768		640
Conversion of Class B to Class A common stock	559		—		603		—		564		—		640		—
Weighted average effect of dilutive securities:
Employee stock options	13		13		59		59		13		13		69		69
RSUs	36		14		33		33		32		13		21		21
Shares subject to repurchase	8		5		6		6		6		3		6		6
Number of shares used for diluted EPS computation	2,644		591		2,528		701		2,616		593		2,504		736
Diluted EPS	$	0.30	$	0.30	$	0.17	$	0.17	$	0.86	$	0.86	$	0.39	$	0.39

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Note 4. Cash, Cash Equivalents and Marketable Securities

The following table sets forth the cash, cash equivalents and marketable securities (in millions):

	September 30, 2014		December 31, 2013
Cash and cash equivalents:
Cash	$	1,344	$	1,044
Cash equivalents:
Money market funds	7,655		2,279
Total cash and cash equivalents	8,999		3,323
Marketable securities:
U.S. government securities	2,062		5,687
U.S. government agency securities	2,330		2,439
Corporate debt securities	859		—
Total marketable securities	5,251		8,126
Total cash, cash equivalents and marketable securities	$	14,250	$	11,449

The gross unrealized gains or losses on our marketable securities as of September 30, 2014 and December 31, 2013 were not significant. In addition, there were no securities in a continuous loss position for 12 months or longer as of September 30, 2014 and December 31, 2013.

The following table classifies our marketable securities by contractual maturities (in millions):

	September 30, 2014
Due in one year	$	2,747
Due in one to two years	2,504
Total	$	5,251

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Note 5. Fair Value Measurements

Assets and liabilities measured at fair value on a recurring basis are summarized below (in millions):

			Fair Value Measurement at Reporting Date Using
Description	September 30, 2014		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Cash equivalents:
Money market funds	$	7,655	$	7,655	$	—	$	—
Marketable securities:
U.S. government securities	2,062		2,062		—		—
U.S. government agency securities	2,330		2,330		—		—
Corporate debt securities	859		—		859		—
Total cash equivalents and marketable securities	$	12,906	$	12,047	$	859	$	—
Other liabilities:
Contingent consideration liability	$	192	$	—	$	—	$	192

			Fair Value Measurement at Reporting Date Using
Description	December 31, 2013		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Cash equivalents:
Money market funds	$	2,279	$	2,279	$	—	$	—
Marketable securities:
U.S. government securities	5,687		5,687		—		—
U.S. government agency securities	2,439		2,439		—		—
Total cash equivalents and marketable securities	$	10,405	$	10,405	$	—	$	—

We classify our cash equivalents and marketable securities within Level 1 or Level 2 because we use quoted market prices or alternative pricing sources and models utilizing market observable inputs to determine their fair value.

We classify our contingent consideration liability in connection with our acquisition of Oculus within Level 3 as factors used to develop the estimated fair value are unobservable inputs that are not supported by market activity. We estimate the fair value of our contingent consideration liability based on the present value of probability-weighted future cash flows related to the contingent earn-out criteria and the fair value of our common stock on each reporting date. Our fair value estimate of this liability was $169 million at the date of acquisition and changes in the fair value of the contingent consideration liability subsequent to the acquisition date, such as changes in the probability assessment and the fair value of our common stock, are recognized in earnings in the period when the change in the estimated fair value occurs. During the three and nine months ended September 30, 2014, we recognized a $23 million change in the fair value of our contingent consideration liability in research and development expense in our condensed consolidated statements of income primarily due to the change in the fair value of our common stock.

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Note 6. Property and Equipment

Property and equipment consisted of the following (in millions):

	September 30, 2014			December 31, 2013
Land	$	153		$	45
Buildings	1,347			1,071
Leasehold improvements	279			203
Network equipment	2,704			2,351
Computer software, office equipment and other	134			95
Construction in progress	702			377
Total	5,319			4,142
Less: Accumulated depreciation	(1,616		)	(1,260		)
Property and equipment, net	$	3,703		$	2,882

Construction in progress includes costs primarily related to the expansion of our corporate headquarters in Menlo Park, California, construction of data centers, and network equipment infrastructure to support our data centers around the world. No interest was capitalized during the three months ended September 30, 2014 and 2013, and the nine months ended September 30, 2014. Interest capitalized during the nine months ended September 30, 2013 was not material.

Note 7. Goodwill and Intangible Assets

The change in the carrying amount of goodwill for the nine months ended September 30, 2014 is as follows (in millions):

Balance as of December 31, 2013	$	839
Goodwill acquired	1,777
Effect of currency translation adjustment	(4		)
Balance as of September 30, 2014	$	2,612

Intangible assets consisted of the following (in millions):

		September 30, 2014							December 31, 2013
	Useful lives from date of acquisitions (in years)	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
Finite-lived intangible assets:
Acquired patents	2 - 18	$	773	$	(215	)	$	558	$	773	$	(142	)	$	631
Acquired technology	2 - 10	518		(104		)	414		227		(65		)	162
Tradename and other	2 - 10	357		(72		)	285		138		(48		)	90
Total finite-lived intangible assets:		$	1,648	$	(391	)	$	1,257	$	1,138	$	(255	)	$	883
Indefinite-lived intangible assets:
IPR&D		$	60	$	—		$	60	$	—	$	—		$	—
Total intangible assets		$	1,708	$	(391	)	$	1,317	$	1,138	$	(255	)	$	883

Amortization expense of intangible assets was $59 million and $141 million for the three and nine months ended September 30, 2014, respectively, and $37 million and $106 million for the three and nine months ended September 30, 2013, respectively.

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As of September 30, 2014, estimated amortization expense for the unamortized acquired intangible assets for the next five years and thereafter is as follows (in millions):

The remainder of 2014	$	66
2015	260
2016	244
2017	209
2018	163
Thereafter	315
	$	1,257

Note 8. Long-term Debt

In August 2013, we entered into a five-year senior unsecured revolving credit facility (2013 Revolving Credit Facility) that allows us to borrow up to $6.5 billion to fund working capital and general corporate purposes with interest payable on the borrowed amounts set at LIBOR plus 1.0%, as well as an annual commitment fee of 0.10% on the daily undrawn balance of the facility. We paid origination fees at closing of the 2013 Revolving Credit Facility, which fees are being amortized over the term of the facility. Any amounts outstanding under this facility will be due and payable on August 15, 2018. As of September 30, 2014, no amounts had been drawn down and we were in compliance with the covenants under this facility.

Note 9. Commitments and Contingencies

Leases

We entered into various capital lease arrangements to obtain property and equipment for our operations. Additionally, on occasion we have purchased property and equipment for which we have subsequently obtained capital financing under sale-leaseback transactions. These agreements are typically for three years, except for a building lease which is for 15 years, with interest rates ranging from 1% to 13%. The leases are secured by the underlying leased buildings, leasehold improvements, and equipment. We have also entered into various non-cancelable operating lease agreements for certain of our offices, equipment, land and data centers with original lease periods expiring between 2014 and 2029. We are committed to pay a portion of the related actual operating expenses under certain of these lease agreements. Certain of these arrangements have free rent periods or escalating rent payment provisions, and we recognize rent expense under such arrangements on a straight-line basis.

Operating lease expense was $31 million and $94 million for the three and nine months ended September 30, 2014, respectively, and $28 million and $101 million for the three and nine months ended September 30, 2013, respectively.

Other Agreement

In April 2014, we entered into a non-cancelable contractual commitment to spend a minimum of $140 million on network services over a period of 10 years.

Contingencies

Beginning on May 22, 2012, multiple putative class actions, derivative actions, and individual actions were filed in state and federal courts in the United States and in other jurisdictions against us, our directors, and/or certain of our officers alleging violation of securities laws or breach of fiduciary duties in connection with our initial public offering (IPO) and seeking unspecified damages. We believe these lawsuits are without merit, and we intend to continue to vigorously defend them. The vast majority of the cases in the United States, along with multiple cases filed against The NASDAQ OMX Group, Inc. and The Nasdaq Stock Market LLC (collectively referred to herein as NASDAQ) alleging technical and other trading-related errors by NASDAQ in connection with our IPO, were ordered centralized for coordinated or consolidated pre-trial proceedings in the U.S. District Court for the Southern District of New York. In a series of rulings in 2013 and 2014, the court denied our motion to dismiss the consolidated securities class action and granted our motions to dismiss the derivative actions against our directors and certain of our officers. The plaintiffs in four of these derivative actions have filed notices of appeal. In addition, the events surrounding our IPO became the subject of various state and federal government inquiries. In May 2014, the Securities and Exchange Commission (SEC) notified us that it had terminated its inquiry and that no enforcement action had been recommended by the SEC.

We are also party to various legal proceedings and claims that arise in the ordinary course of business. With respect to our outstanding legal matters, we believe that the amount or estimable range of reasonably possible loss will not, either individually or in the aggregate, have a material adverse effect on our business, consolidated financial position, results of operations, or cash

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flows. However, the outcome of litigation is inherently uncertain. Therefore, if one or more of these legal matters were resolved against us for amounts in excess of management's expectations, our results of operations and financial condition, including in a particular reporting period, could be materially adversely affected.

Note 10. Stockholders' Equity

Share-based Compensation Plans

We maintain two share-based employee compensation plans: the 2012 Equity Incentive Plan (2012 Plan) and the 2005 Stock Plan (collectively, Stock Plans). Our 2012 Plan serves as the successor to our 2005 Stock Plan and provides for the issuance of incentive and nonstatutory stock options, restricted stock awards, stock appreciation rights, RSUs, performance shares and stock bonuses to qualified employees, directors and consultants. Outstanding awards under the 2005 Stock Plan continue to be subject to the terms and conditions of the 2005 Stock Plan. The maximum term for stock options granted under the 2012 Plan may not exceed ten years from the date of grant. Our 2012 Plan will terminate ten years from the date of approval unless it is terminated earlier by our compensation committee.

We have initially reserved 25,000,000 shares of our Class A common stock for issuance under our 2012 Plan, which amount increases on the first day of January of each year through 2022 based on a formula or as determined by the board of directors. Our board of directors elected not to increase the number of shares reserved for issuance in 2014. In addition, shares available for grant under the 2005 Stock Plan, which were reserved but not issued or subject to outstanding awards under the 2005 Stock Plan as of the effective date of our IPO, were added to the reserves of the 2012 Plan and shares that were withheld in connection with the net settlement of RSUs were also added to the reserves of the 2012 Plan. In January 2014, we began requiring that employees sell a portion of the shares that they receive upon the vesting of RSUs in order to cover any required withholding taxes, rather than our previous approach of net share settlement.

In February 2014, we terminated our 2005 Officers' Plan as the only outstanding option issued under this plan had been exercised in full.

The following table summarizes the stock option activity under the Stock Plans during the nine months ended September 30, 2014:

	Shares Subject to Options Outstanding
	Number of Shares		Weighted Average Exercise Price		Weighted- Average Remaining Contractual Term	Aggregate Intrinsic Value(1)
	(in thousands)				(in years)	(in millions)
Balance as of December 31, 2013	22,102		$	3.56
Stock options exercised	(5,015	)	0.91
Balance as of September 30, 2014	17,087		$	4.34	3.22	$	1,276
Stock options vested and expected to vest as of September 30, 2014	17,071		$	4.33	3.22	$	1,275
Stock options exercisable as of September 30, 2014	13,719		$	2.48	2.56	$	1,050

(1) The aggregate intrinsic value is calculated as the difference between the exercise price of the underlying stock option awards and the closing price of our Class A common stock of $79.04 on September 30, 2014.

The aggregate intrinsic value of options exercised was $117 million and $321 million for the three and nine months ended September 30, 2014, respectively, and $586 million and $1.17 billion for the three and nine months ended September 30, 2013, respectively.

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The following table summarizes the activities for our unvested RSUs for the nine months ended September 30, 2014:

	Unvested RSUs
	Number of Shares		Weighted Average Grant Date Fair Value
	(in thousands)
Unvested at December 31, 2013	103,971		$	27.30
Granted	33,844		70.04
Vested	(33,450	)	24.77
Forfeited	(7,948	)	33.87
Unvested at September 30, 2014	96,417		$	42.64

The fair value as of the respective vesting dates of RSUs that vested during the three and nine months ended September 30, 2014 was $652 million and $2.19 billion, respectively, and $326 million and $1.15 billion, respectively, during the three and nine months ended September 30, 2013.

As of September 30, 2014, there was $4.17 billion of unrecognized share-based compensation expense, of which $3.71 billion is related to RSUs and $464 million is related to restricted shares, shares with performance conditions related to our contingent consideration liability, and stock options. This unrecognized compensation expense is expected to be recognized over a weighted-average period of approximately three years.

Note 11. Income Taxes

Our tax provision for interim periods is determined using an estimate of our annual effective tax rate, adjusted for discrete items arising in that quarter. In each quarter we update our estimate of the annual effective tax rate, and if our estimated annual tax rate changes, we make a cumulative adjustment in that quarter. Our quarterly tax provision, and our quarterly estimate of our annual effective tax rate, are subject to significant volatility due to several factors, including our ability to accurately predict our income (loss) before provision for income taxes in multiple jurisdictions, including the portions of our share-based compensation that will not generate tax benefits, and the effects of acquisitions and the integration of those acquisitions. In addition, our effective tax rate can be more or less volatile based on the amount of income before provision for income taxes.

Our effective tax rate has exceeded the U.S. statutory rate primarily because of the effect of non-deductible share-based compensation and the impact of acquiring intellectual property and integrating it into our business. Our effective tax rate in the future will depend on the portion of our profits earned within and outside the United States, which will also be affected by our methodologies for valuing our intellectual property and intercompany transactions.

We are subject to taxation in the United States and various other state and foreign jurisdictions. The material jurisdictions in which we are subject to potential examination include the United States and Ireland. We are under examination by the Internal Revenue Service (IRS) for our 2008, 2009 and 2010 tax years. We believe that adequate amounts have been reserved for any adjustments that may ultimately result from these examinations, and we do not anticipate a significant impact to our gross unrecognized tax benefits within the next 12 months related to these years. Our 2011 and subsequent tax years remain subject to potential examination by the IRS and all tax years starting in 2008 remain subject to potential examination in Ireland. We remain subject to possible examinations or are undergoing audits in various other jurisdictions that are not anticipated to be material to our financial statements.

Our gross unrecognized tax benefits were $1.51 billion and $1.32 billion as of September 30, 2014 and December 31, 2013, respectively. If the gross unrecognized tax benefits as of September 30, 2014 were realized in a future period, this would result in a tax benefit of $1.03 billion within our provision of income taxes at such time. Our existing tax positions will continue to generate an increase in unrecognized tax benefits in future periods. 

Although the timing of the resolution, settlement, and closure of any audit is highly uncertain, it is reasonably possible that the balance of gross unrecognized tax benefits could significantly change in the next 12 months. However, given the number of years remaining that are subject to examination, we are unable to estimate the full range of possible adjustments to the balance of gross unrecognized tax benefits.

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Note 12. Geographical Information

Revenue by geography is based on the billing address of the marketer or developer. The following tables set forth revenue and property and equipment, net by geographic area (in millions):

	Three Months Ended September 30,				Nine Months Ended September 30,
	2014		2013		2014		2013
Revenue:
United States	$	1,468	$	940	$	3,857	$	2,438
Rest of the world (1)	1,735		1,076		4,758		2,848
Total revenue	$	3,203	$	2,016	$	8,615	$	5,286

(1) No individual country exceeded 10% of our total revenue for any period presented.

	September 30, 2014		December 31, 2013
Property and equipment, net:
United States	$	3,023	$	2,368
Sweden	513		415
Rest of the world	167		99
Total property and equipment, net	$	3,703	$	2,882

Note 13. Subsequent Events

On October 6, 2014, we completed our acquisition of WhatsApp Inc. (WhatsApp), a privately-held cross-platform mobile messaging company that is expected to provide us with strategic advantages in the mobile ecosystem and expand our mobile messaging offerings. Pursuant to the merger agreement, we issued approximately 178 million shares of our Class A common stock and paid $4.59 billion in cash. We will also grant 46 million RSUs to WhatsApp employees.

Upon acquisition, WhatsApp became a wholly-owned subsidiary of Facebook. The acquisition will be accounted for as a business combination. The following table summarizes the components of the preliminary purchase consideration transferred based on the closing price of $77.56 per share of our Class A common stock on the acquisition close date (in millions):

Cash	$	4,589
Common stock	13,787
Less: post-acquisition share-based compensation and other compensation expense	(1,067		)
Less: cash and promissory notes acquired on acquisition date	(116		)
Purchase consideration	$	17,193

Of the $1.07 billion of share-based compensation and other compensation expense excluded from the purchase consideration above, approximately $188 million will be accounted for as share-based compensation expense at closing as a result of the vesting provisions of WhatsApp employee awards on the acquisition date. The remaining $879 million (approximately 8.5 million shares of Class A common stock and $219 million in cash) is subject to continuous employment and will be recognized as share-based compensation and other compensation expense over the required service period of up to three years.

The following table summarizes the preliminary allocation of the assets acquired and liabilities assumed based on their fair values as of the acquisition date and related estimated useful lives of the finite-lived intangible assets acquired (in millions, except estimated useful life):

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				Estimated useful life (in years)
Finite-lived intangible assets:
Acquired users	$	2,026		7 years
Tradename	448			5 years
Acquired technology	288			5 years
Other	21			2 years
Net liabilities assumed	(33		)
Deferred tax liabilities	(916		)
Net assets acquired	$	1,834
Goodwill	15,359
	$	17,193

The $15.36 billion of goodwill is primarily attributable to expected synergies from future growth, from potential monetization opportunities, from strategic advantages provided in the mobile ecosystem and from expansion of our mobile messaging offerings. Goodwill is not expected to be deductible for tax purposes.

The following unaudited pro forma information presents the combined results of operations as if the acquisition had beencompleted on January 1, 2013, the beginning of the comparable prior annual reporting period. The unaudited pro forma results include: (i) amortization associated with preliminary estimates for the acquired intangible assets; (ii) recognition of the post-acquisition share-based compensation and other compensation expense; (iii) share-based compensation expense related to the 46 million RSUs we will grant to WhatsApp employees; and (iv) the associated tax impact on these unaudited pro forma adjustments.

The unaudited pro forma results do not reflect any cost saving synergies from operating efficiencies or the effect of the incremental costs incurred in integrating the two companies. Accordingly, these unaudited pro forma results are presented for informational purpose only and are not necessarily indicative of what the actual results of operations of the combined company would have been if the acquisition had occurred at the beginning of the period presented, nor are they indicative of future results of operations (in millions):

	Three Months Ended September 30,				Nine Months Ended September 30,
	2014		2013		2014		2013
Revenue	$	3,210	$	2,019	$	8,637	$	5,292
Net income (loss)	$	526	$	136	$	1,289	$	(106	)

The unaudited pro forma combined net loss for the nine months ended September 30, 2013 includes a non-recurring pro forma adjustment of $188 million of share-based compensation expense recognized at closing as a result of the vesting provisions of WhatsApp employee awards on the acquisition date.

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Item 2. Management's Discussion and Analysis of Financial Condition and Results of Operations

You should read the following discussion of our financial condition and results of operations in conjunction with the condensed consolidated financial statements and the notes thereto included elsewhere in this Quarterly Report on Form 10-Q and with our audited consolidated financial statements included in our Annual Report on Form 10-K for the year ended December 31, 2013, as filed with the Securities and Exchange Commission. In addition to historical condensed consolidated financial information, the following discussion contains forward-looking statements that reflect our plans, estimates, and beliefs. Our actual results could differ materially from those discussed in the forward-looking statements. Factors that could cause or contribute to these differences include those discussed below and elsewhere in this Quarterly Report on Form 10-Q, particularly in Part II, Item 1A. "Risk Factors." For a discussion of limitations in the measurement of certain of our user metrics, see the section entitled "Limitations of Key Metrics and Other Data" in this Quarterly Report on Form 10-Q.

Overview

Our mission is to give people the power to share and make the world more open and connected.

We build products that support our mission by creating utility for people, marketers, and developers:

People. We enable people to stay connected with their friends and family, to discover what is going on in the world around them, and to share and express what matters to them to the people they care about.

Marketers. We enable marketers to engage with more than 1.3 billion monthly active users (MAUs) on Facebook or subsets of our users based on information they have chosen to share with us such as their age, location, gender, or interests.

Developers. We enable developers to use Facebook's developer services to build, grow and monetize their mobile and web applications more rapidly and successfully.

We generate substantially all of our revenue from advertising and from fees associated with our Payments infrastructure that enables users to purchase virtual and digital goods from developers. During the three and nine months ended September 30, 2014, we recorded revenue of $3.20 billion and $8.62 billion, respectively, income from operations of $1.40 billion and $3.86 billion, respectively, and net income of $806 million and $2.24 billion, respectively.

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Trends in Our User Metrics

The numbers for our key metrics, our daily active users (DAUs), mobile DAUs, MAUs, mobile MAUs and average revenue per user (ARPU), and certain other metrics such as mobile-only DAUs and mobile-only MAUs, do not include Instagram users unless they would otherwise qualify as such users, respectively, based on their other activities on Facebook. In addition, other user engagement metrics do not include Instagram unless otherwise specifically stated.

Trends in the number of users affect our revenue and financial results by influencing the number of ads we are able to show, the value of our ads to marketers, the volume of Payments transactions, as well as our expenses and capital expenditures.

• Daily Active Users (DAUs). We define a daily active user as a registered Facebook user who logged in and visited Facebook through our website or a mobile device, used our Messenger app, or took an action to share content or activity with his or her Facebook friends or connections via a third-party website or application that is integrated with Facebook, on a given day. We view DAUs, and DAUs as a percentage of MAUs, as measures of user engagement.

Note: For purposes of reporting DAUs, MAUs, and ARPU by geographic region, Europe includes all users in Russia and Turkey, Asia includes all users in Australia and New Zealand, and Rest of World includes all users in Africa, Latin America, and the Middle East.

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Worldwide DAUs increased 19% to 864 million on average during September2014 from 728 million during September2013. We experienced growth in DAUs across major markets including India, Brazil, and the United States. Overall growth in DAUs was driven by increased mobile usage of Facebook, and the number of DAUs accessing Facebook on personal computers decreased in September2014 compared to the same period in 2013. We believe that use of Facebook through personal computers will continue to decline worldwide, including in key markets such as the United States and other developed markets in Europe and Asia.

• Mobile DAUs. We define a mobile DAU as a user who accessed Facebook via a mobile application or via mobile versions of our website such as m.facebook.com, whether on a mobile phone or tablet, or used our Messenger app on a given day.

Worldwide mobile DAUs increased 39% to 703 million on average during September2014 from 507 million during September2013. In all regions, an increasing number of our DAUs are accessing Facebook through mobile devices, with users in Brazil, India, and the United States representing key sources of mobile DAU growth on average during September2014 as compared to the same period during 2013. On average during the month ended September 30, 2014, there were 536 million DAUs who accessed Facebook solely through mobile applications or our mobile website, increasing 54% from 347 million mobile-only DAUs during the same period in 2013. The remaining mobile DAUs accessed Facebook from both personal computers and mobile devices. We anticipate that growth in mobile users will continue to be the driver of our user growth for the foreseeable future.

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• Monthly Active Users (MAUs). We define a monthly active user as a registered Facebook user who logged in and visited Facebook through our website or a mobile device, used our Messenger app, or took an action to share content or activity with his or her Facebook friends or connections via a third-party website or application that is integrated with Facebook, in the last 30 days as of the date of measurement. MAUs are a measure of the size of our global active user community.

As of September 30, 2014, we had 1.35 billion MAUs, an increase of 14% from September 30, 2013. Users in India and Brazil represented key sources of growth in the third quarter of 2014 relative to the same period in 2013. Overall growth in MAUs was driven by increased mobile usage of Facebook, and the number of MAUs accessing Facebook on personal computers decreased in September2014 compared to the same period in 2013. We believe that use of Facebook through personal computers will continue to decline worldwide, including in key markets such as the United States and other developed markets in Europe and Asia.

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• Mobile MAUs. We define a mobile MAU as a user who accessed Facebook via a mobile application or via mobile versions of our website such as m.facebook.com, whether on a mobile phone or tablet, or used our Messenger app during the period of measurement.

Worldwide mobile MAUs increased 29% to 1.12 billion as of September 30, 2014 from 874 million as of September 30, 2013. In all regions, an increasing number of our MAUs are accessing Facebook through mobile devices, with users in India, Brazil, and the United States representing key sources of mobile MAU growth over the third quarter of 2014 as compared to the same period in 2013. There were 456 million mobile MAUs who accessed Facebook solely through mobile applications or our mobile website during the month ended September 30, 2014, increasing 80% from 254 million during the same period in 2013. The remaining 668 million mobile MAUs accessed Facebook from both personal computers and mobile devices during September2014. We anticipate that growth in mobile users will continue to be the driver of our user growth for the foreseeable future.

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Trends in Our Monetization by User Geography

We calculate our revenue by user geography based on our estimate of the geography in which ad impressions are delivered or virtual and digital goods are purchased. We define ARPU as our total revenue in a given geography during a given quarter, divided by the average of the number of MAUs in the geography at the beginning and end of the quarter. The geography of our users affects our revenue and financial results because we currently monetize users in different geographies at different average rates. Our revenue and ARPU in regions such as United States & Canada and Europe are relatively higher due to the size and maturity of those advertising markets as well as our greater sales presence and the number of payment methods that we make available to marketers and users. For example, ARPU for an average user in the third quarter of 2014 in United States & Canada was more than six times higher than for an average user in Asia. 

Note: Our revenue by user geography in the charts above is geographically apportioned based on our estimation of the geographic location of our users when they perform a revenue-generating activity. This allocation differs from our revenue by geography disclosure in our condensed consolidated financial statements where revenue is geographically apportioned based on the location of the marketer or developer.

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During the third quarter of 2014, worldwide ARPU was $2.40, an increase of 40% from the third quarter of 2013. Over this period, ARPU increased by approximately 52% in United States & Canada, 46% in Europe and Asia, and 27% in Rest of World. User growth was more rapid in geographies with relatively lower ARPU, such as Asia and Rest of World. We expect that user growth in the future will be primarily concentrated in those regions where ARPU is relatively lower, such as Asia and Rest of World, such that worldwide ARPU may continue to increase at a slower rate relative to ARPU in any geographic region, or potentially decrease even if ARPU increases in each geographic region.

Components of Results of Operations

Revenue

We generate substantially all of our revenue from advertising and from fees associated with our Payments infrastructure that enables users to purchase virtual and digital goods from our developers with applications on the Facebook website.

Advertising. Our advertising revenue is generated by displaying ad products on Facebook properties, including our mobile applications, and third-party affiliated websites or mobile applications. Marketers pay for ad products either directly or through their relationships with advertising agencies, based on the number of clicks made by our users, the number of actions taken by our users, or the number of impressions delivered. We recognize revenue from the delivery of click-based ads in the period in which a user clicks on the content, and action-based ads in the period in which a user takes the action the marketer contracted for. We recognize revenue from the display of impression-based ads in the contracted period in which the impressions are delivered. Impressions are considered delivered when an ad is displayed to users. The number of ads we show is subject to methodological changes as we continue to evolve our ads business and the structure of our ads products. We calculate price per ad as total ad revenue divided by the number of ads delivered, representing the effective price paid per impression by a marketer regardless of their desired objective such as impression, click, or action.

Payments and other fees. We enable Payments from our users to purchase virtual and digital goods from our developers with applications on the Facebook website. Our users can transact and make payments on the Facebook website by using debit and credit cards, PayPal, mobile phone payments, gift cards or other methods. We receive a fee from developers when users make purchases in these applications using our Payments infrastructure. We recognize revenue net of amounts remitted to our developers. We have mandated the use of our Payments infrastructure for game applications on Facebook, and fees related to Payments are generated almost exclusively from games. Our other fees revenue, which has not been significant in recent periods, consists primarily of revenue from our ad serving and measurement products and the delivery of virtual reality platform devices.

Cost of Revenue and Operating Expenses

Cost of revenue. Our cost of revenue consists primarily of expenses associated with the delivery and distribution of our products. These include expenses related to the operation of our data centers such as facility and server equipment depreciation, facility and server equipment rent expense, energy and bandwidth costs, support and maintenance costs, and salaries, benefits, amortization of intangible assets, and share-based compensation for employees on our operations teams. Cost of revenue also includes credit card and other transaction fees related to processing customer transactions, cost of platform device inventory sold and traffic acquisition costs (TAC). TAC consists of payments made to third-party entities that have integrated our advertising offerings into their websites or mobile applications.

Research and development. Research and development expenses consist primarily of salaries, benefits, and share-based compensation for employees on our engineering and technical teams who are responsible for building new products as well as improving existing products. We expense all of our research and development costs as they are incurred.

Marketing and sales. Our marketing and sales expenses consist primarily of salaries, benefits, and share-based compensation for our employees engaged in sales, sales support, marketing, business development, and customer service functions. Our marketing and sales expenses also include user-, marketer-, and developer-facing marketing and promotional expenditures.

General and administrative. Our general and administrative expenses consist primarily of salaries, benefits, and share-based compensation for our executives as well as our legal, finance, human resources, corporate communications and policy, and other administrative employees. In addition, general and administrative expenses include outside consulting fees, and legal and accounting services. General and administrative expenses also include legal settlements and amortization of patents we have acquired.

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Results of Operations

The following tables set forth our condensed consolidated statements of income data:  

	Three Months Ended September 30,						Nine Months Ended September 30,
	2014			2013			2014			2013
	(in millions)
Revenue	$	3,203		$	2,016		$	8,615		$	5,286
Costs and expenses:
Cost of revenue	565			507			1,501			1,384
Research and development	608			369			1,555			1,006
Marketing and sales	374			233			1,055			704
General and administrative	259			171			643			520
Total costs and expenses	1,806			1,280			4,754			3,614
Income from operations	1,397			736			3,861			1,672
Interest and other income/(expense), net	(61		)	(10		)	(65		)	(48		)
Income before provision for income taxes	1,336			726			3,796			1,624
Provision for income taxes	530			301			1,557			647
Net income	$	806		$	425		$	2,239		$	977

Share-based compensation expense included in costs and expenses:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2014		2013		2014		2013
	(in millions)
Cost of revenue	$	16	$	12	$	44	$	31
Research and development	243		164		643		432
Marketing and sales	53		34		146		91
General and administrative	41		29		108		79
Total share-based compensation expense	$	353	$	239	$	941	$	633

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The following table set forth our condensed consolidated statements of income data (as a percentage of revenue):

	Three Months Ended September 30,				Nine Months Ended September 30,
	2014		2013		2014		2013
Revenue	100	%	100	%	100	%	100	%
Costs and expenses:
Cost of revenue	18		25		17		26
Research and development	19		18		18		19
Marketing and sales	12		12		12		13
General and administrative	8		8		7		10
Total costs and expenses	56		63		55		68
Income from operations	44		37		45		32
Interest and other income/(expense), net	(2	)	—		(1	)	(1	)
Income before provision for income taxes	42		36		44		31
Provision for income taxes	17		15		18		12
Net income	25	%	21	%	26	%	18	%

Share-based compensation expense included in costs and expenses (as a percentage of revenue):

	Three Months Ended September 30,				Nine Months Ended September 30,
	2014		2013		2014		2013
Cost of revenue	—	%	1	%	1	%	1	%
Research and development	8		8		7		8
Marketing and sales	2		2		2		2
General and administrative	1		1		1		1
Total share-based compensation expense	11	%	12	%	11	%	12	%

Three and Nine Months Ended September 30,2014 and 2013

Revenue

	Three Months Ended September 30,						Nine Months Ended September 30,
	2014		2013		% change		2014		2013		% change
	(in millions, except for percentages)
Revenue:
Advertising	$	2,957	$	1,798	64	%	$	7,898	$	4,641	70	%
Payments and other fees	246		218		13	%	717		645		11	%
Total revenue	$	3,203	$	2,016	59	%	$	8,615	$	5,286	63	%

Revenue in the third quarter and the first nine months of 2014 increased $1.19 billion, or 59%, and $3.33 billion, or 63%, respectively, compared to the same periods in 2013. The increases were primarily due to increases in advertising revenue.

Advertising revenue increased $1.16 billion, or 64%, and $3.26 billion, or 70%, in the third quarter and the first nine months of 2014, respectively, compared to the same periods in 2013. The primary factor driving advertising revenue growth in this period was an increase in revenue from ads in News Feed on both mobile devices and personal computers. For the third quarter and the first nine months of 2014, we estimate that advertising revenue from News Feed ads on mobile devices represented approximately 66% and 62%, respectively, of total advertising revenue, as compared with approximately 49% and 41% in the same periods in 2013.

Factors that influenced our advertising revenue growth in these periods included: (i) an increase in the number of News Feed ads displayed, which are more prominent, have significantly higher levels of engagement and a higher price per ad relative to our other ad placements; (ii) other product changes to increase the value and performance of our ads; (iii) an increase in the number

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of marketers actively advertising on Facebook, which we believe increased demand for our ads; and (iv) 19% growth in average DAUs and 14% growth in MAUs from September 30, 2013 to September 30, 2014.

During the third quarter and the first nine months of 2014, as compared to the same periods in 2013, the average price per ad increased by 274% and 150%, respectively, and the number of ads delivered decreased by 56% and 32%, respectively. The increase in average price per ad was driven by a product change related to certain non-News Feed ads during the third quarter of 2014, which decreased the number of ads displayed but increased the prominence of each ad. Average price per ad was also driven by a mix shift towards a greater percentage of our ads being shown in News Feed. The reduction in ads delivered was driven by factors including the product change described above as well as the shift in usage towards mobile devices where users are shown fewer ads as compared to personal computers.

Payments and other fees revenue in the third quarter and the first nine months of 2014 increased $28 million, or 13%, and $72 million, or 11%, respectively, compared to the same periods in 2013. Payments and other fees revenue is currently based predominantly on Payments revenue from games played on personal computers. We expect Facebook usage on personal computers to continue to decline in the future, which we expect to result in a decline of our Payments revenue.

Cost of revenue

	Three Months Ended September 30,								Nine Months Ended September 30,
	2014			2013			% change		2014			2013			% change
	(in millions, except for percentages)
Cost of revenue	$	565		$	507		11	%	$	1,501		$	1,384		8	%
Percentage of revenue	18		%	25		%			17		%	26		%

Cost of revenue in the third quarter and the first nine months of 2014 increased $58 million, or 11%, and $117 million, or 8%, respectively, compared to the same periods in 2013. The increases in both periods were primarily due to operational expenses related to our data centers and technical infrastructure and increased amortization of our intangible assets. These increases were partially offset by items related to data center lease abandonment: we reversed $5 million and $34 million of lease abandonment expense in the third quarter and the first nine months of 2014, respectively, due to our decision to re-occupy and utilize a previously exited data center, compared to a recognition of $43 million and $108 million of lease abandonment expense in the same periods of 2013, respectively.

Research and development

	Three Months Ended September 30,								Nine Months Ended September 30,
	2014			2013			% change		2014			2013			% change
	(in millions, except for percentages)
Research and development	$	608		$	369		65	%	$	1,555		$	1,006		55	%
Percentage of revenue	19		%	18		%			18		%	19		%

Research and development expenses in the third quarter and the first nine months of 2014 increased $239 million, or 65%, and $549 million, or 55%, respectively, compared to the same periods in 2013. The increases in both periods were primarily due to increases in payroll and benefits expenses as a result of a 49% growth in employee headcount from September 30, 2013 to September 30, 2014 in engineering and other technical functions. Share-based compensation expenses increased $79 million and $211 million in the third quarter and the first nine months of 2014, respectively. Additionally, we also recognized a $23 million change in the fair value of contingent consideration liability in research and development expense due to the change in the fair value of our common stock.

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Marketing and sales

	Three Months Ended September 30,							Nine Months Ended September 30,
	2014			2013			% change	2014			2013			% change
	(in millions, except for percentages)
Marketing and sales	$	374		$	233		61%	$	1,055		$	704		50%
Percentage of revenue	12		%	12		%		12		%	13		%

Marketing and sales expenses in the third quarter and the first nine months of 2014 increased $141 million, or 61%, and $351 million, or 50%, respectively, compared to the same periods in 2013. The increases in both periods were primarily due to increases in payroll and benefits expenses as a result of a 44% increase in employee headcount from September 30, 2013 to September 30, 2014 to support global sales, business development, and customer service. Our user-, marketer-, and developer-facing marketing expenses also increased $28 million and $61 million in the third quarter and the first nine months of 2014, respectively, compared to the same periods in 2013. Additionally, share-based compensation expenses also increased $19 million and $55 million in the third quarter and the first nine months of 2014, respectively, compared to the same periods in 2013.

General and administrative

	Three Months Ended September 30,								Nine Months Ended September 30,
	2014			2013			% change		2014			2013			% change
	(in millions, except for percentages)
General and administrative	$	259		$	171		51	%	$	643		$	520		24	%
Percentage of revenue	8		%	8		%			7		%	10		%

General and administrative expenses in the third quarter and the first nine months of 2014 increased $88 million, or 51%, and $123 million, or 24%, respectively, compared to the same periods in 2013. The increases in both periods were primarily due to increases in payroll and benefits expenses as a result of a 41% increase in employee headcount from September 30, 2013 to September 30, 2014. Professional services expense in the third quarter and the first nine months of 2014 also increased $17 million and $39 million, respectively, primarily due to higher consulting fees. Additionally, share-based compensation expenses increased $12 million and $29 million in the third quarter and the first nine months of 2014, respectively.

Interest and other income/(expense), net

	Three Months Ended September 30,								Nine Months Ended September 30,
	2014			2013			% change		2014			2013			% change
	(in millions, except for percentages)
Interest income/(expense), net	$	4		$	(16	)	(125	)%	$	4		$	(35	)	(111	)%
Other income/(expense), net	(65		)	6			(1,183	)%	(69		)	(13		)	431	%
Interest and other income/(expense), net	$	(61	)	$	(10	)	510	%	$	(65	)	$	(48	)	35	%

Interest and other income/(expense), net in the third quarter and the first nine months of 2014 decreased $51 million, or 510%, and $17 million, or 35%, respectively, as compared to the same periods in 2013. Other income/(expense), net decreased in both periods primarily due to $65 million and $68 million in foreign exchange losses resulting from the periodic re-measurement of our foreign currency balances recognized in the third quarter and the first nine months of 2014, respectively. The decreases in other income/(expense), net were partially offset by decreases in interest expense due to the repayment of our long-term debt in August 2013 and lower capital lease payments.

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Provision for income taxes

	Three Months Ended September 30,								Nine Months Ended September 30,
	2014			2013			% change		2014			2013			% change
	(in millions, except for percentages)
Provision for income taxes	$	530		$	301		76	%	$	1,557		$	647		141	%
Effective tax rate	40		%	41		%			41		%	40		%

Our provision for income taxes in the third quarter and the first nine months of 2014 increased $229 million and $910 million, respectively, compared to the same periods in 2013 primarily due to increases in income before provision for income taxes in both periods.

Our effective tax rate decreased in the third quarter of 2014 compared to the same period in 2013 primarily due to a change in our geographic mix of pre-tax income. Our effective tax rate increased for the first nine months of 2014 compared to the same period in 2013 due to a non-recurring tax benefit related to the reinstatement of the federal credit for research and development activities applicable to the year ended December 31, 2012 that was recorded in the first quarter of 2013.

Our effective tax rate has exceeded the U.S. statutory rate primarily because of the effect of non-deductible share-based compensation and the impact of acquiring intellectual property and integrating it into our business. Our effective tax rate in the future will depend on the portion of our profits earned within and outside the United States, which will also be affected by our methodologies for valuing our intellectual property and intercompany transactions. Our future effective tax rate will also be affected by the timing, size and integration of any acquisitions we make.

Liquidity and Capital Resources

Our principal sources of liquidity are our cash and cash equivalents, marketable securities, and cash generated from operations. Cash and cash equivalents and marketable securities consist primarily of cash on deposit with banks, investments in money market funds, and investments in U.S. government securities, U.S. government agency securities, and corporate debt securities. Cash and cash equivalents and marketable securities were $14.25 billion as of September 30, 2014, an increase of $2.80 billion from December 31, 2013, primarily due to $3.87 billion of cash generated from operations and $1.37 billion in excess tax benefits from share-based award activity, offset by $1.31 billion for purchases of property and equipment, $754 million for acquisitions of businesses, and $199 million for principal payments on capital lease transactions.

In October 2014, we completed our acquisition of WhatsApp Inc. (WhatsApp), a privately-held cross-platform mobile messaging company, for 178 million of our Class A common stock and $4.59 billion in cash. The tax withholdings related to the WhatsApp vested merger consideration were funded by net share settlement. After closing, we will also grant 46 million RSUs to WhatsApp employees.

In January 2014, we began requiring that employees sell a portion of the shares that they receive upon the vesting of RSUs in order to cover any required withholding taxes ("sell-to-cover"), rather than our previous approach of net share settlement. This sell-to-cover approach reduces our cash outflows compared to the net share settlement approach.

In August 2013, we entered into a five-year senior unsecured revolving credit facility (2013 Revolving Credit Facility) that allows us to borrow up to $6.5 billion to fund working capital and general corporate purposes with interest payable on the borrowed amounts set at LIBOR plus 1.0%, as well as an annual commitment fee of 0.10% on the daily undrawn balance of the facility. We paid origination fees at closing of the 2013 Revolving Credit Facility, which fees are being amortized over the term of the facility. Any amounts outstanding under this facility will be due and payable on August 15, 2018. As of September 30, 2014, no amounts had been drawn down and we were in compliance with the covenants under this credit facility.

As of September 30, 2014, $1.01 billion of the $14.25 billion in cash and cash equivalents and marketable securities was held by our foreign subsidiaries. Substantially all of these funds are in jurisdictions for which we are indefinitely reinvesting the earnings of the local subsidiary. These subsidiaries have historically incurred losses; as such, repatriating the funds will likely incur no residual tax liability. We have provided residual taxes in jurisdictions where we do not intend to indefinitely reinvest the earnings of the local subsidiary, however the amount of taxes provided has been insignificant.

We currently anticipate that our available funds, credit facilities, and cash flow from operations will be sufficient to meet our operational cash needs for the foreseeable future.

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Cash Provided by Operating Activities

Cash flow from operating activities during the first nine months of 2014 primarily consisted of net income, adjusted for certain non-cash items, including share-based compensation expense of $941 million and total depreciation and amortization of $810 million. The increase in cash flow from operating activities during the first nine months of 2014 compared to the same period in 2013 was mainly due to an increase in net income, as adjusted for certain non-cash items described above, partially offset by a $413 million decrease in income tax refunds.

Cash Provided by (Used in) Investing Activities

Cash provided by investing activities was $703 million during the first nine months of 2014 primarily resulted from $2.89 billion of net sales and maturities of marketable securities, partially offset by $1.31 billion for capital expenditures related to the purchase of servers, network infrastructure, and the construction of data centers and office buildings, and $754 million for acquisition of businesses.

Cash used in investing activities was $90 million during the first nine months of 2013 primarily resulted from $879 million for capital expenditures related to the purchase of servers, network and storage infrastructure, and the construction of data centers and buildings, $237 million for acquisitions of businesses and other assets, such as patents, partially offset by $1.02 billion of net sales and maturities of marketable securities.

In October 2014, upon closing of our acquisition of WhatsApp, we used $4.59 billion of our cash and cash equivalent balance for the cash portion of the purchase consideration.

We anticipate making capital expenditures in 2014 of approximately $1.9 billion to $2.2 billion.

Cash Provided by (Used in) Financing Activities

Cash provided by financing activities was $1.17 billion for the first nine months of 2014, which primarily resulted from $1.37 billion of excess tax benefit from stock award activities, partially offset by $199 million of payments related to our capital lease transactions.

Cash used in financing activities was $2.19 billion for the first nine months of 2013, which primarily resulted from $1.5 billion for repayment of debt and $706 million of tax payments related to the net share settlement of equity awards.

Off-Balance Sheet Arrangements

We did not have any off-balance sheet arrangements as of September 30, 2014.

Contractual Obligations

In April 2014, we entered into a non-cancelable contractual commitment to spend a minimum of $140 million on network services over a period of 10 years.

There were no other material changes in our commitments under contractual obligations, as disclosed in our Annual Report on Form 10-K for the fiscal year ended December 31, 2013.

Contingencies

We are involved in claims, lawsuits, government investigations, and proceedings. We record a provision for a liability when we believe that it is both probable that a liability has been incurred, and that the amount can be reasonably estimated. Significant judgment is required to determine both probability and the estimated amount. Such legal proceedings are inherently unpredictable and subject to significant uncertainties, some of which are beyond our control. Should any of these estimates and assumptions change or prove to be incorrect, it could have a material impact on our results of operations, financial position, and cash flows.

See Note 9 in the notes to the condensed consolidated financial statements included in Part I, Item 1 and "Legal Proceedings" contained in Part II, Item 1 of this Quarterly Report on Form 10-Q for additional information regarding contingencies.

Recent Accounting Pronouncements

 In May 2014, the Financial Accounting Standards Board issued guidance related to revenue from contracts with customers. Under this guidance, revenue is recognized when promised goods or services are transferred to customers in an amount that reflects the consideration that is expected to be received for those goods or services. The updated standard will replace most existing revenue recognition guidance under U.S. generally accepted accounting principles (GAAP) when it becomes effective and permits

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the use of either the retrospective or cumulative effect transition method. Early adoption is not permitted. The updated standard will be effective for us in the first quarter of 2017. We have not yet selected a transition method and we are currently evaluating the effect that the updated standard will have on our consolidated financial statements and related disclosures.

Critical Accounting Policies and Estimates

Our condensed consolidated financial statements are prepared in accordance with GAAP. The preparation of these condensed consolidated financial statements requires us to make estimates and assumptions that affect the reported amounts of assets, liabilities, revenue, costs and expenses, and related disclosures. These estimates form the basis for judgments we make about the carrying values of our assets and liabilities, which are not readily apparent from other sources. We base our estimates and judgments on historical experience and on various other assumptions that we believe are reasonable under the circumstances. On an ongoing basis, we evaluate our estimates and assumptions. Our actual results may differ from these estimates under different assumptions or conditions.

We believe that the assumptions and estimates associated with revenue recognition for Payments and other fees, income taxes and share-based compensation have the greatest potential impact on our condensed consolidated financial statements. Therefore, we consider these to be our critical accounting policies and estimates.

There have been no material changes to our critical accounting policies and estimates as compared to the critical accounting policies and estimates described in our Annual Report on Form 10-K for the fiscal year ended December 31, 2013.

Item 3. Quantitative and Qualitative Disclosures About Market Risk

We are exposed to market risks, including changes to foreign currency exchange rates, interest rates, and inflation.

Foreign Currency Exchange Risk

We have foreign currency risks related to our revenue and operating expenses denominated in currencies other than the U.S. dollar, primarily the Euro. In general, we are a net receiver of currencies other than the U.S. dollar. Accordingly, changes in exchange rates, and in particular a strengthening of the U.S. dollar, will negatively affect our revenue and other operating results as expressed in U.S. dollars.

We have experienced and will continue to experience fluctuations in our net income as a result of transaction gains or losses related to revaluing certain current asset and current liability balances that are denominated in currencies other than the functional currency of the entities in which they are recorded. At this time we have not entered into, but in the future we may enter into, derivatives or other financial instruments in an attempt to hedge our foreign currency exchange risk. It is difficult to predict the effect hedging activities would have on our results of operations. We recognized foreign currency losses of $65 million and $68 million in the three and nine months ended September 30, 2014, respectively, and $13 million in the nine months ended September 30, 2013. We recognized foreign currency gains of $6 million in the three months ended September 30, 2013.

Interest Rate Sensitivity

Our exposure to changes in interest rates relates primarily to interest earned and market value on our cash and cash equivalents and marketable securities.

Our cash and cash equivalents and marketable securities consist of cash, certificates of deposit, time deposits, money market funds, U.S. government securities, U.S. government agency securities, and corporate debt securities. Our investment policy and strategy are focused on preservation of capital and supporting our liquidity requirements. Changes in U.S. interest rates affect the interest earned on our cash and cash equivalents and marketable securities and the market value of those securities. A hypothetical 100 basis point increase in interest rates would result in a decrease of approximately $48 million and $73 million in the market value of our available-for-sale debt securities as of September 30, 2014 and December 31, 2013, respectively. Any realized gains or losses resulting from such interest rate changes would only occur if we sold the investments prior to maturity.

Item 4. Controls and Procedures

Evaluation of Disclosure Controls and Procedures

Our management, with the participation of our chief executive officer (CEO) and chief financial officer (CFO), has evaluated the effectiveness of our disclosure controls and procedures (as defined in Rules 13a-15(e) and 15d-15(e) under the Securities Exchange Act of 1934, as amended (Exchange Act)), as of the end of the period covered by this Quarterly Report on Form 10-Q. Based on such evaluation, our CEO and CFO have concluded that as of September 30, 2014, our disclosure controls and procedures

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are designed at a reasonable assurance level and are effective to provide reasonable assurance that information we are required to disclose in reports that we file or submit under the Exchange Act is recorded, processed, summarized, and reported within the time periods specified in the rules and forms of the Securities and Exchange Commission (SEC), and that such information is accumulated and communicated to our management, including our CEO and CFO, as appropriate, to allow timely decisions regarding required disclosure.

Changes in Internal Control

There were no changes in our internal control over financial reporting identified in management's evaluation pursuant to Rules 13a-15(d) or 15d-15(d) of the Exchange Act during the period covered by this Quarterly Report on Form 10-Q that materially affected, or are reasonably likely to materially affect, our internal control over financial reporting.

Limitations on Effectiveness of Controls and Procedures

In designing and evaluating the disclosure controls and procedures and internal control over financial reporting, management recognizes that any controls and procedures, no matter how well designed and operated, can provide only reasonable assurance of achieving the desired control objectives. In addition, the design of disclosure controls and procedures and internal control over financial reporting must reflect the fact that there are resource constraints and that management is required to apply judgment in evaluating the benefits of possible controls and procedures relative to their costs.

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PART II—OTHER INFORMATION

Item 1. Legal Proceedings

Paul D. Ceglia filed suit against us and Mark Zuckerberg on or about June 30, 2010, in the Supreme Court of the State of New York for the County of Allegheny, claiming substantial ownership of our company based on a purported contract between Mr. Ceglia and Mr. Zuckerberg allegedly entered into in April 2003. We removed the case to the U.S. District Court for the Western District of New York, where the case is now pending. In his first amended complaint, filed on April 11, 2011, Mr. Ceglia revised his claims to include an alleged partnership with Mr. Zuckerberg, he revised his claims for relief to seek a substantial share of Mr. Zuckerberg's ownership in us, and he included quotations from supposed emails that he claims to have exchanged with Mr. Zuckerberg in 2003 and 2004. On March 26, 2012, we filed a motion to dismiss Mr. Ceglia's complaint and a motion for judgment on the pleadings. On March 26, 2013, the magistrate judge overseeing the matter issued a report recommending that the court grant our motion to dismiss and that it deny as moot our motion for judgment on the pleadings. On March 25, 2014, the district judge adopted the magistrate judge’s report and recommendation and granted our motion to dismiss and denied our motion for judgment on the pleadings as moot. On April 24, 2014, Mr. Ceglia filed a notice of appeal. We continue to believe that Mr. Ceglia is perpetrating a fraud on the court and we intend to continue to defend the case vigorously.

Beginning on May 22, 2012, multiple putative class actions, derivative actions, and individual actions were filed in state and federal courts in the United States and in other jurisdictions against us, our directors, and/or certain of our officers alleging violation of securities laws or breach of fiduciary duties in connection with our initial public offering (IPO) and seeking unspecified damages. We believe these lawsuits are without merit, and we intend to continue to vigorously defend them. The vast majority of the cases in the United States, along with multiple cases filed against The NASDAQ OMX Group, Inc. and The Nasdaq Stock Market LLC (collectively referred to herein as NASDAQ) alleging technical and other trading-related errors by NASDAQ in connection with our IPO, were ordered centralized for coordinated or consolidated pre-trial proceedings in the U.S. District Court for the Southern District of New York. In a series of rulings in 2013 and 2014, the court denied our motion to dismiss the consolidated securities class action and granted our motions to dismiss the derivative actions against our directors and certain of our officers. The plaintiffs in four of these derivative actions have filed notices of appeal. In addition, the events surrounding our IPO became the subject of various state and federal government inquiries. In May 2014, the Securities and Exchange Commission (SEC) notified us that it had terminated its inquiry and that no enforcement action had been recommended by the SEC.

In addition, we are also currently parties to multiple other lawsuits related to our products, including other patent infringement lawsuits as well as class action lawsuits brought by users and marketers, and we may in the future be subject to additional lawsuits and disputes. We are also involved in other claims, government investigations, and proceedings arising from the ordinary course of our business.

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Item 1A. Risk Factors

Certain factors may have a material adverse effect on our business, financial condition, and results of operations. You should consider carefully the risks and uncertainties described below, in addition to other information contained in this Quarterly Report on Form 10-Q, including our condensed consolidated financial statements and related notes. The risks and uncertainties described below are not the only ones we face. Additional risks and uncertainties that we are unaware of, or that we currently believe are not material, may also become important factors that adversely affect our business. If any of the following risks actually occurs, our business, financial condition, results of operations, and future prospects could be materially and adversely affected. In that event, the trading price of our Class A common stock could decline, and you could lose part or all of your investment.

Risks Related to Our Business and Industry

If we fail to retain existing users or add new users, or if our users decrease their level of engagement with our products, our revenue, financial results, and business may be significantly harmed.

The size of our user base and our users' level of engagement are critical to our success. Our financial performance has been and will continue to be significantly determined by our success in adding, retaining, and engaging active users. We anticipate that our active user growth rate will continue to decline over time as the size of our active user base increases, and as we achieve higher market penetration rates. If people do not perceive our products to be useful, reliable, and trustworthy, we may not be able to attract or retain users or otherwise maintain or increase the frequency and duration of their engagement. A number of other social networking companies that achieved early popularity have since seen their active user bases or levels of engagement decline, in some cases precipitously. There is no guarantee that we will not experience a similar erosion of our active user base or engagement levels. Our user engagement patterns have changed over time and can be difficult to measure, particularly as users continue to engage increasingly via mobile devices and as we introduce new and different products and services. Any number of factors could potentially negatively affect user retention, growth, and engagement, including if:

• users increasingly engage with other products or activities;

• we fail to introduce new products that users find engaging or if we introduce new products or services that are not favorably received;

• users feel that their Facebook experience is diminished as a result of the decisions we make with respect to the frequency, prominence, and size of ads that we display, or the quality of the ads displayed;

• users have difficulty installing, updating, or otherwise accessing our products on mobile devices as a result of actions by us or third parties that we rely on to distribute our products and deliver our services;

• user behavior on any of our products changes as a result of increasing use of mobile devices;

• we are unable to continue to develop products for mobile devices that users find engaging, that work with a variety of mobile operating systems and networks, and that achieve a high level of market acceptance;

• there are changes in user sentiment about the quality or usefulness of our products or concerns related to privacy and sharing, safety, security, or other factors;

• we are unable to manage and prioritize information to ensure users are presented with content that is interesting, useful, and relevant to them;

• users adopt new technologies where our products may be displaced in favor of other products or services, or may not be featured or otherwise available;

• there are adverse changes in our products that are mandated by legislation, regulatory authorities, or litigation, including settlements or consent decrees;

• technical or other problems prevent us from delivering our products in a rapid and reliable manner or otherwise affect the user experience, such as any failure to prevent spam or similar content;

• we adopt policies or procedures related to areas such as sharing or user data that are perceived negatively by our users or the general public;

• we elect to focus our user growth and engagement efforts more on longer-term initiatives, or if initiatives designed to attract and retain users and engagement are unsuccessful or discontinued, whether as a result of actions by us, third parties, or otherwise;

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• we fail to provide adequate customer service to users, marketers, or developers;

• we, developers whose products are integrated with Facebook, or other companies in our industry are the subject of adverse media reports or other negative publicity; or

• our current or future products, such as our development tools and application programming interfaces that enable developers to build mobile and web applications, reduce user activity on Facebook by making it easier for our users to interact and share on third-party mobile and web applications.

If we are unable to maintain or increase our user base and user engagement, our revenue and financial results may be adversely affected. Any decrease in user retention, growth, or engagement could render our products less attractive to users, marketers and developers, which may have a material and adverse impact on our revenue, business, financial condition, and results of operations. If our active user growth rate continues to slow, we will become increasingly dependent on our ability to maintain or increase levels of user engagement and monetization in order to drive revenue growth.

We generate a substantial majority of our revenue from advertising. The loss of marketers, or reduction in spending by marketers with Facebook, could seriously harm our business.

The substantial majority of our revenue is currently generated from third parties advertising on Facebook. For the nine months ended September 30, 2014 and 2013, advertising accounted for 92% and 88%, respectively, of our revenue. As is common in the industry, our marketers do not have long-term advertising commitments with us. Many of our marketers spend only a relatively small portion of their overall advertising budget with us. We expect our ability to grow advertising revenue will continue to be dependent on our ability to generate revenue from ads displayed on mobile devices. In addition, marketers may view some of our products as experimental and unproven. Marketers will not continue to do business with us, or they will reduce the prices they are willing to pay to advertise with us or the budgets they are willing to commit to us, if we do not deliver ads in an effective manner, or if they do not believe that their investment in advertising with us will generate a competitive return relative to other alternatives. Our advertising revenue could be adversely affected by a number of other factors, including:

• decreases in user engagement, including time spent on Facebook;

• our ability to continue to increase user access to and engagement with Facebook through our mobile products;

• product changes or inventory management decisions we may make that change the size, frequency, or relative prominence of ads displayed on Facebook or of other unpaid content shared by marketers on Facebook;

• our inability to maintain or increase marketer demand, the pricing of our ads, or both;

• differences between the pricing of our ads displayed on personal computers and mobile devices;

• our inability to maintain or increase the quality of ads shown to users, particularly on mobile devices;

• the availability, accuracy, and utility of analytics and measurement solutions offered by us or third parties that demonstrate the value of our ads to marketers, or our ability to further improve such tools;

• decisions by marketers to use our free products, such as Facebook Pages, instead of advertising on Facebook;

• loss of advertising market share to our competitors, including if prices for purchasing ads on Facebook increase or if competitors offer lower priced or more integrated products;

• adverse legal developments relating to advertising, including legislative and regulatory developments and developments in litigation;

• decisions by marketers to reduce their advertising as a result of adverse media reports or other negative publicity involving us, content on Facebook, developers with Facebook-integrated mobile and web applications, or other companies in our industry;

• our inability to improve our existing products or create new products that sustain or increase the value of our ads or marketers' ability to analyze and measure the value of our ads;

• the degree to which users opt out of social ads;

• the degree to which users cease or reduce the number of times they click on our ads;

• changes in the way advertising on personal computers or on mobile devices is measured or priced;

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• the impact of new technologies that could block or obscure the display of our ads; and

• the impact of macroeconomic conditions or conditions in the advertising industry, in general.

The occurrence of any of these or other factors could result in a reduction in demand for our ads, which may reduce the prices we receive for our ads, or cause marketers to stop advertising with us altogether, either of which would negatively affect our revenue and financial results.

Mobile advertising is evolving and growth in the use of Facebook through our mobile products as a substitute for use on personal computers may negatively affect our revenue and financial results.

We had 1.12 billion mobile monthly active users (MAUs) in September 2014. While most of our mobile users also access Facebook through personal computers, we anticipate that growth in mobile users will continue to be the driver of our growth for the foreseeable future and that usage through personal computers will continue to decline worldwide, including in key markets such as the United States and other developed markets in Europe and Asia. For example, during the fourth quarter of 2013, the number of mobile MAUs exceeded the number of MAUs using personal computers for the first time, and during the third quarter of 2014, the number of MAUs using personal computers continued to decline compared to the prior quarter. While our mobile advertising revenue continues to grow and comprised over half of our overall advertising revenue in the third quarter of 2014, the mobile advertising market remains an evolving market. In addition, we do not currently offer our Payments infrastructure to applications on mobile devices. If users continue to access Facebook mobile products as a substitute for access through personal computers, and if we are unable to continue to grow mobile revenues or successfully monetize mobile users, or if we incur excessive expenses in these efforts, our financial performance and ability to grow revenue would be negatively affected.

Our user growth, engagement, and monetization on mobile devices depend upon effective operation with mobile operating systems, networks, and standards that we do not control.

There is no guarantee that popular mobile devices will continue to feature Facebook, or that mobile device users will continue to use Facebook rather than competing products. We are dependent on the interoperability of Facebook with popular mobile operating systems that we do not control, such as Android and iOS, and any changes in such systems and terms of service that degrade our products' functionality, reduce or eliminate our ability to distribute our products, give preferential treatment to competitive products, limit our ability to target or measure the effectiveness of ads, or impose fees or other charges related to our delivery of ads could adversely affect Facebook usage and monetization on mobile devices. Additionally, in order to deliver high quality mobile products, it is important that our products work well with a range of mobile technologies, systems, networks, and standards that we do not control. We may not be successful in maintaining or developing relationships with key participants in the mobile industry or in developing products that operate effectively with these technologies, systems, networks, or standards. In the event that it is more difficult for our users to access and use Facebook on their mobile devices, or if our users choose not to access or use Facebook on their mobile devices or use mobile products that do not offer access to Facebook, our user growth and user engagement could be harmed. From time to time, we may also take actions regarding the distribution of our products or the operation of our business based on what we believe to be in our long-term best interests. Such actions may adversely affect our relationships with the operators of mobile operating systems or other business partners, and there is no assurance that these actions will result in the anticipated long-term benefits. In the event that our relationships with operators of mobile operating systems or other business partners deteriorate, our user growth, engagement, and monetization could be adversely affected and our business could be harmed.

Our business is highly competitive. Competition presents an ongoing threat to the success of our business.

We face significant competition in every aspect of our business, including from companies that provide tools to facilitate the sharing of information, companies that enable marketers to display advertising and companies that provide development platforms for applications developers. We compete with companies that offer full-featured products that replicate the range of communications and related capabilities we provide. These offerings include, for example, Google+, which Google has integrated with certain of its products, including search and Android, as well as other, largely regional, social networks that have strong positions in particular countries. We also compete with companies that develop applications, particularly mobile applications, that provide social functionality, such as messaging, photo- and video-sharing, and micro-blogging, and companies that provide web- and mobile-based information and entertainment products and services that are designed to engage users and capture time spent online and on mobile devices. In addition, we face competition from traditional and online businesses that provide media for marketers to reach their audiences and/ordevelop tools and systems for managing and optimizing advertising campaigns.

Some of our current and potential competitors may have significantly greater resources or better competitive positions in certain product segments, geographic regions or user demographics than we do. These factors may allow our competitors to respond more effectively than us to new or emerging technologies and changes in market conditions. We believe that some of our users, particularly our younger users, are aware of and actively engaging with other products and services similar to, or as a substitute

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for, Facebook, and we believe that some of our users have reduced their engagement with Facebook in favor of increased engagement with these other products and services. In the event that our users increasingly engage with other products and services, we may experience a decline in user engagement in key user demographics or more broadly and our business could be harmed.

Our competitors may develop products, features, or services that are similar to ours or that achieve greater acceptance, may undertake more far-reaching and successful product development efforts or marketing campaigns, or may adopt more aggressive pricing policies. In addition, developers whose mobile and web applications are integrated with Facebook may use information shared by our users through Facebook in order to develop products or features that compete with us. Certain competitors, including Google, could use strong or dominant positions in one or more markets to gain competitive advantage against us in areas where we operate, including: by integrating competing social networking platforms or features into products they control such as search engines, web browsers, or mobile device operating systems; by making acquisitions; by limiting or denying our access to advertising measurement or delivery systems; by limiting our ability to target or measure the effectiveness of ads; by imposing fees or other charges related to our delivery of ads; or by making access to our products more difficult. As a result, our competitors may acquire and engage users or generate advertising or other revenue at the expense of our own efforts, which may negatively affect our business and financial results.

We believe that our ability to compete effectively depends upon many factors both within and beyond our control, including:

• the popularity, usefulness, ease of use, performance, and reliability of our products compared to our competitors' products, particularly with respect to mobile products;

• the size and composition of our user base;

• the engagement of our users with our products and competing products;

• the timing and market acceptance of products, including developments and enhancements to our or our competitors' products;

• our ability to monetize our products;

• the frequency, size, quality, and relative prominence of the ads displayed by us or our competitors;

• customer service and support efforts;

• marketing and selling efforts, including our ability to provide marketers with a compelling return on their investments;

• our ability to establish and maintain developers' interest in building mobile and web applications that integrate with Facebook;

• changes mandated by legislation, regulatory authorities, or litigation, including settlements and consent decrees, some of which may have a disproportionate effect on us;

• acquisitions or consolidation within our industry, which may result in more formidable competitors;

• our ability to attract, retain, and motivate talented employees, particularly software engineers, designers, and product managers;

• our ability to cost-effectively manage and grow our operations; and

• our reputation and brand strength relative to those of our competitors.

If we are not able to compete effectively, our user base and level of user engagement may decrease, we may become less attractive to developers and marketers, and our revenue and results of operations may be materially and adversely affected.

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We may not be successful in our efforts to grow usage of and engagement with mobile and web applications that integrate with Facebook.

We have made and are continuing to make investments to enable developers to build mobile and web applications that integrate with Facebook. Such existing and prospective developers may not be successful in building mobile and/or web applications that create and maintain user engagement. Additionally, developers may choose to build on other platforms, including mobile platforms controlled by third parties, rather than building products that integrate with Facebook. We are continuously seeking to balance the distribution objectives of our developers with our desire to provide an optimal user experience, and we may not be successful in achieving a balance that continues to attract and retain such developers. For example, from time to time, we have taken actions to reduce the volume of communications from these developers to users on Facebook with the objective of enhancing the user experience, and such actions have reduced distribution from, user engagement with, and our monetization opportunities from, Facebook-integrated mobile and web applications. In some instances, these actions, as well as other actions to enforce our policies applicable to developers, have adversely affected our relationships with such developers. If we are not successful in our efforts to grow the number of developers that choose to build products that integrate with Facebook or if we are unable to build and maintain good relations with such developers, our user growth and user engagement and our financial results may be adversely affected.

We may not be successful in our efforts to further monetize how developers use Facebook, and we expect that our Payments revenue will decline in the future as usage of Facebook on personal computers continues to decline.

We currently generate revenue from developers that use Facebook in several ways, including ads on pages generated by developers' applications on the Facebook website, direct advertising on Facebook purchased by developers to drive traffic to their mobile and web applications, and fees from developers' use of our Payments infrastructure to sell virtual and digital goods to users accessing Facebook via personal computers. Applications built by developers of social games are currently responsible for substantially all of our revenue derived from Payments, and the majority of the revenue from these applications has historically been generated by a limited number of the most popular games. In addition, a relatively small percentage of our users have transacted with Facebook Payments. We also have experienced declines in usage of Facebook on personal computers, which declines we expect to continue for the foreseeable future. We expect this trend will result in a decline in Payments revenue in the future. If the Facebook-integrated applications that currently generate revenue fail to grow or maintain their users and engagement, whether as a result of the continued decline in the usage of Facebook on personal computers or otherwise, if developers do not continue to introduce new applications that attract users and create engagement on Facebook, if developers reduce their advertising on Facebook, if we fail to maintain good relationships with existing developers or to attract new developers who build products that integrate with Facebook, or if Facebook-integrated applications outside of social games do not gain popularity and generate significant revenue for us, our financial performance could be adversely affected.

Additionally, we are actively supporting developers' efforts to develop their own mobile and web applications that integrate with Facebook. Unlike applications that run within the Facebook website which enable us to show ads and offer Payments, we generally do not directly monetize from developers' integrating their own mobile and web applications with Facebook. Therefore, our developers' efforts to prioritize their own mobile or web applications may reduce or slow the growth of our user activity that generates advertising and Payments opportunities, which could negatively affect our revenue. Although we believe that there are significant long-term benefits to Facebook resulting from increased engagement on Facebook-integrated mobile and web applications, these benefits may not offset the possible loss of revenue, in which case our business could be harmed.

Action by governments to restrict access to Facebook or our other products in their countries could substantially harm our business and financial results.

It is possible that governments of one or more countries may seek to censor content available on Facebook or our other products in their country, restrict access to our products from their country entirely, or impose other restrictions that may affect the accessibility of our products in their country for an extended period of time or indefinitely. For example, access to Facebook has been or is currently restricted in whole or in part in China, Iran, and North Korea. In addition, governments in other countries may seek to restrict access to our products if they consider us to be in violation of their laws. In the event that access to our products is restricted, in whole or in part, in one or more countries or our competitors are able to successfully penetrate geographic markets that we cannot access, our ability to retain or increase our user base and user engagement may be adversely affected, we may not be able to maintain or grow our revenue as anticipated, and our financial results could be adversely affected.

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Our new products and changes to existing products could fail to attract or retain users or generate revenue.

Our ability to retain, increase, and engage our user base and to increase our revenue depends heavily on our ability to create successful new products, both independently and in conjunction with developers or other third parties. We may introduce significant changes to our existing products, or acquire or introduce new and unproven products, including using technologies with which we have little or no prior development or operating experience. For example, in July 2014 we completed our acquisition of Oculus VR, Inc. (Oculus), a company developing virtual reality technology. We do not have prior experience with consumer hardware products or virtual reality technology, which may adversely affect our ability to successfully develop and market Oculus' products or technology. In addition, in October 2014, we acquired WhatsApp Inc. (WhatsApp), a cross-platform mobile messaging company. We currently monetize WhatsApp in only a very limited fashion, and we may not be successful in our efforts to generate meaningful revenue from WhatsApp over the long term. If these or other new or enhanced products fail to engage users, marketers, or developers, or if we are unsuccessful in our monetization efforts, we may fail to attract or retain users or to generate sufficient revenue, operating margin, or other value to justify our investments, and our business may be adversely affected.

We prioritize user growth and engagement and the user experience over short-term financial results.

We frequently make product decisions that may reduce our short-term revenue or profitability if we believe that the decisions are consistent with our mission and benefit the aggregate user experience and will thereby improve our financial performance over the long term. For example, from time to time we may change the size, frequency, or relative prominence of ads in order to improve ad quality and overall user experience. Similarly, from time to time we update our News Feed ranking algorithm to deliver the most relevant content to our users, which may adversely affect the distribution of content of marketers and developers and could reduce their incentive to invest in their development and marketing efforts on Facebook. We also may introduce changes to existing products, or introduce new stand-alone products, that direct users away from properties where we have a proven means of monetization. For example, we have taken action to redirect users who send messages from within the Facebook application to our stand-alone Messenger application, although we currently do not monetize the stand-alone Messenger application. In addition, we plan to focus on growing the user base for Instagram, WhatsApp, and potentially other stand-alone applications that may have limited or no near-term monetization, and it is possible that these efforts may reduce engagement with the core Facebook application. These decisions may not produce the long-term benefits that we expect, in which case our user growth and engagement, our relationships with marketers and developers, and our business and results of operations could be harmed.

If we are not able to maintain and enhance our brand, or if events occur that damage our reputation and brand, our ability to expand our base of users, marketers, and developers may be impaired, and our business and financial results may be harmed.

We believe that the Facebook brand has significantly contributed to the success of our business. We also believe that maintaining and enhancing our brand is critical to expanding our base of users, marketers, and developers. Many of our new users are referred by existing users. Maintaining and enhancing our brand will depend largely on our ability to continue to provide useful, reliable, trustworthy, and innovative products, which we may not do successfully. We may introduce new products or terms of service that users do not like, which may negatively affect our brand. Additionally, the actions of our developers may affect our brand if users do not have a positive experience using third-party mobile and web applications integrated with Facebook. We will also continue to experience media, legislative, or regulatory scrutiny of our decisions regarding user privacy or other issues, which may adversely affect our reputation and brand. We also may fail to provide adequate customer service, which could erode confidence in our brand. Our brand may also be negatively affected by the actions of users that are deemed to be hostile or inappropriate to other users, or by users acting under false or inauthentic identities, or by perceived or actual efforts by governments to obtain access to user information for security-related purposes. Maintaining and enhancing our brand may require us to make substantial investments and these investments may not be successful. Certain of our past actions have eroded confidence in our brand, and if we fail to successfully promote and maintain the Facebook brand or if we incur excessive expenses in this effort, our business and financial results may be adversely affected.

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Improper access to or disclosure of user information, or violation of our terms of service or policies, could harm our reputation and adversely affect our business.

Our Data Use Policy governs the collection and use of information we receive in connection with our services. Our efforts to protect the information we receive may be unsuccessful due to the actions of third parties, software bugs or other technical malfunctions, employee error or malfeasance, government surveillance, or other factors. In addition, third parties may attempt to fraudulently induce employees or users to disclose information in order to gain access to our data or our users' data. If any of these events occur, our users' information could be accessed or disclosed improperly. Some of our developers or other partners, such as those that help us measure the effectiveness of ads, may receive or store information provided by us or by our users through mobile or web applications integrated with Facebook. If these third parties or developers fail to adopt or adhere to adequate data security practices or fail to comply with our terms and policies, or in the event of a breach of their networks, our users' data may be improperly accessed, used, or disclosed.

Any incidents involving unauthorized access to or improper use of user information or incidents involving violation of our terms of service or policies, including our Data Use Policy, could damage our reputation and our brand and diminish our competitive position. In addition, the affected users or government authorities could initiate legal or regulatory actions against us in connection with such incidents, which could cause us to incur significant expense and liability or result in orders or consent decrees forcing us to modify our business practices. Any of these events could have a material and adverse effect on our business, reputation, or financial results.

Unfavorable media coverage could negatively affect our business.

We receive a high degree of media coverage around the world. Unfavorable publicity regarding, for example, our privacy practices, terms of service, product changes, product quality, litigation or regulatory activity, government surveillance, the actions of our developers whose products are integrated with Facebook, the actions of our users, or the actions of other companies that provide similar services to us, could adversely affect our reputation. Such negative publicity also could have an adverse effect on the size, engagement, and loyalty of our user base and result in decreased revenue, which could adversely affect our business and financial results.

Our financial results will fluctuate from quarter to quarter and are difficult to predict.

Our quarterly financial results have fluctuated in the past and will fluctuate in the future. Additionally, we have a limited operating history with the current scale of our business, which makes it difficult to forecast our future results. As a result, you should not rely upon our past quarterly financial results as indicators of future performance. You should take into account the risks and uncertainties frequently encountered by companies in rapidly evolving markets. Our financial results in any given quarter can be influenced by numerous factors, many of which we are unable to predict or are outside of our control, including:

• our ability to maintain and grow our user base and user engagement;

• our ability to attract and retain marketers in a particular period;

• fluctuations in spending by our marketers due to seasonality, such as historically strong spending in the fourth quarter of each year, or other factors;

• the number and quality of ads shown to users;

• the pricing of our ads and other products;

• our ability to continue to scale monetization through our mobile products;

• our ability to maintain or increase Payments and other fees revenue;

• the diversification and growth of revenue sources beyond advertising and Payments;

• the development and introduction of new products or services by us or our competitors;

• increases in marketing, sales, and other operating expenses that we will incur to grow and expand our operations and to remain competitive;

• our ability to maintain gross margins and operating margins;

• costs related to the acquisitions of businesses, talent, technologies, or intellectual property, including potentially significant amortization costs and impairment loss;

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• our ability to obtain equipment and components for our data centers and other technical infrastructure in a timely and cost-effective manner;

• system failures, which could prevent us from serving ads for any period of time, or breaches of security or privacy, and the costs associated with remediating any such failures or breaches;

• inaccessibility of our products due to third-party actions;

• share-based compensation expense, including acquisition-related expense;

• adverse litigation judgments, settlements, or other litigation-related costs;

• changes in the legislative or regulatory environment, including with respect to privacy, or enforcement by government regulators, including fines, orders, or consent decrees;

• the overall tax rate for our business, which may be affected by a number of factors, including the financial results of our international subsidiaries and the timing, size, and integration of acquisitions we may make from time to time;

• tax obligations that may arise from changes in laws or resolutions of tax examinations that materially differ from the amounts we have anticipated;

• fluctuations in currency exchange rates and changes in the proportion of our revenue and expenses denominated in foreign currencies;

• fluctuations in the market values of our portfolio investments and in interest rates;

• changes in U.S. generally accepted accounting principles; and

• changes in global business or macroeconomic conditions.

We expect our rates of growth to decline in the future.

We expect that our user growth and revenue growth rates will decline over time as the size of our active user base increases and as we achieve greater market penetration. For example, the growth rate of our MAUs declined from 39% from 2010 to 2011, to 25% from 2011 to 2012, to 16% from 2012 to 2013. Historically, our user growth has been a primary driver of growth in our revenue. In addition, we expect our revenue growth rate will generally decline over time as our revenue increases to higher levels. As our growth rates decline, investors' perceptions of our business may be adversely affected and the trading price of our Class A common stock could decline.

Our costs are continuing to grow, which could harm our business and profitability.

Operating our business is costly and we expect our expenses to continue to increase in the future as we broaden our user base, as users increase the number of connections and amount of data they share with us, and as we develop and implement new products. Historically, our costs have increased each year due to these factors and we expect to continue to incur increasing costs, in particular for servers, storage, power, and data centers, to support our anticipated future growth. We expect to continue to invest in these and other efforts to operate and expand our business around the world, including in countries and/or projects where we may not have a clear path to monetization, such as our commitment to the Internet.org initiative to increase global Internet access. In addition, our costs will increase as a result of integrating and operating larger and more complex business acquisitions, including our recent acquisitions of Oculus and WhatsApp. Our costs will also increase as we hire additional employees, particularly as a result of the significant competition that we face to attract and retain technical talent. In addition, we intend to increase marketing, sales, and other operating expenses in order to grow and expand our operations and to remain competitive. Increases in our costs may adversely affect our business and profitability. Our expenses are expected to grow faster than our revenue in the near term and may be greater than we anticipate, and our investments may not be successful.

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Our business is subject to complex and evolving U.S. and foreign laws and regulations regarding privacy, data protection, and other matters. Many of these laws and regulations are subject to change and uncertain interpretation, and could result in claims, changes to our business practices, monetary penalties, increased cost of operations, or declines in user growth or engagement, or otherwise harm our business.

We are subject to a variety of laws and regulations in the United States and abroad that involve matters central to our business, including privacy and data protection, rights of publicity, content, intellectual property, advertising, marketing, distribution, data security, data retention and deletion, personal information, electronic contracts and other communications, competition, protection of minors, consumer protection, product liability, taxation, securities law compliance, and online payment services. The introduction of new products or expansion of our activities in certain jurisdictions may subject us to additional laws and regulations. In addition, foreign data protection, privacy, and other laws and regulations can be more restrictive than those in the United States. These U.S. federal and state and foreign laws and regulations, which can be enforced by private parties or government entities, are constantly evolving and can be subject to significant change. In addition, the application and interpretation of these laws and regulations are often uncertain, particularly in the new and rapidly evolving industry in which we operate, and may be interpreted and applied inconsistently from country to country and inconsistently with our current policies and practices. For example, the interpretation of some laws and regulations that govern the use of names and likenesses in connection with advertising and marketing activities is unsettled, and developments in this area could affect the manner in which we design our products and offer services. Similarly, any regulatory or legislative action affecting the manner in which we display content to our users could adversely affect user growth and engagement. A number of proposals are pending before federal, state, and foreign legislative and regulatory bodies that could significantly affect our business. For example, the European Commission is currently considering a data protection regulation that may include operational requirements for companies that receive personal data that are different than those currently in place in the European Union, and that may also include significant penalties for non-compliance. Similarly, there are a number of legislative proposals in the United States, at both the federal and state level, that could impose new obligations in areas affecting our business, such as privacy or liability for copyright infringement by third parties. In addition, some countries are considering or have passed legislation requiring local storage and processing of data or similar requirements that, if enacted, could increase the cost and complexity of delivering our services. These existing and proposed laws and regulations can be costly to comply with and can delay or impede the development of new products, result in negative publicity, increase our operating costs, require significant management time and attention, and subject us to inquiries or investigations, claims or other remedies, including fines or demands that we modify or cease existing business practices.

We have been subject to regulatory investigations and settlements and we expect to continue to be subject to such proceedings in the future, which could cause us to incur substantial costs or require us to change our business practices in a manner materially adverse to our business.

From time to time, we receive formal and informal inquiries from regulators regarding our compliance with laws and other matters. In 2012, the Federal Trade Commission approved a settlement agreement with us that, among other things, requires us to complete bi-annual independent privacy assessments and to establish and refine certain practices with respect to treatment of user information and the privacy settings we offer. In 2011 and 2012, the Irish Data Protection Commissioner audited the data, security, and privacy practices and policies of Facebook Ireland. We expect to continue to be the subject of regulatory investigations and audits in the future by these and other regulators throughout the world.

Violation of existing or future regulatory orders or consent decrees could subject us to substantial monetary fines and other penalties that could negatively affect our financial condition and results of operations. In addition, it is possible that future orders issued by, or inquiries or enforcement actions initiated by, regulatory authorities could cause us to incur substantial costs or require us to change our business practices in a manner materially adverse to our business.

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If we are unable to protect our intellectual property, the value of our brand and other intangible assets may be diminished, and our business may be adversely affected.

We rely and expect to continue to rely on a combination of confidentiality, assignment, and license agreements with our employees, consultants, and third parties with whom we have relationships, as well as trademark, copyright, patent, trade secret, and domain name protection laws, to protect our proprietary rights. In the United States and internationally, we have filed various applications for protection of certain aspects of our intellectual property, and we currently hold a number of issued patents in multiple jurisdictions and have acquired patents and patent applications from third parties. In addition, in the future we may acquire additional patents or patent portfolios, which could require significant cash expenditures. Third parties may knowingly or unknowingly infringe our proprietary rights, third parties may challenge proprietary rights held by us, and pending and future trademark and patent applications may not be approved. In addition, effective intellectual property protection may not be available in every country in which we operate or intend to operate our business. In any or all of these cases, we may be required to expend significant time and expense in order to prevent infringement or to enforce our rights. Although we have generally taken measures to protect our proprietary rights, there can be no assurance that others will not offer products or concepts that are substantially similar to ours and compete with our business. In addition, we regularly contribute software source code under open source licenses and have made other technology we developed available under other open licenses, and we include open source software in our products. For example, we have contributed certain specifications and designs related to our data center equipment to the Open Compute Project Foundation, a non-profit entity that shares and develops such information with the technology community, under the Open Web Foundation License. As a result of our open source contributions and the use of open source in our products, we may license or be required to license or disclose code and/or innovations that turn out to be material to our business and may also be exposed to increased litigation risk. If the protection of our proprietary rights is inadequate to prevent unauthorized use or appropriation by third parties, the value of our brand and other intangible assets may be diminished and competitors may be able to more effectively mimic our service and methods of operations. Any of these events could have an adverse effect on our business and financial results.

We are currently, and expect to be in the future, party to patent lawsuits and other intellectual property rights claims that are expensive and time consuming, and, if resolved adversely, could have a significant impact on our business, financial condition, or results of operations.

Companies in the Internet, technology, and media industries own large numbers of patents, copyrights, trademarks, and trade secrets, and frequently enter into litigation based on allegations of infringement, misappropriation, or other violations of intellectual property or other rights. In addition, various "non-practicing entities" that own patents and other intellectual property rights often attempt to aggressively assert their rights in order to extract value from technology companies. Furthermore, from time to time we may introduce or acquire new products, including in areas where we historically have not competed, which could increase our exposure to patent and other intellectual property claims from competitors and non-practicing entities.

From time to time, we receive notice letters from patent holders alleging that certain of our products and services infringe their patent rights. We presently are involved in a number of intellectual property lawsuits, and as we face increasing competition and gain an increasingly high profile, we expect the number of patent and other intellectual property claims against us to grow. Defending patent and other intellectual property litigation is costly and can impose a significant burden on management and employees, and there can be no assurances that favorable final outcomes will be obtained in all cases. In addition, plaintiffs may seek, and we may become subject to, preliminary or provisional rulings in the course of any such litigation, including potential preliminary injunctions requiring us to cease some or all of our operations. We may decide to settle such lawsuits and disputes on terms that are unfavorable to us. Similarly, if any litigation to which we are a party is resolved adversely, we may be subject to an unfavorable judgment that may not be reversed upon appeal. The terms of such a settlement or judgment may require us to cease some or all of our operations or pay substantial amounts to the other party. In addition, we may have to seek a license to continue practices found to be in violation of a third party's rights, which may not be available on reasonable terms, or at all, and may significantly increase our operating costs and expenses. As a result, we may also be required to develop alternative non-infringing technology or practices or discontinue the practices. The development of alternative non-infringing technology or practices could require significant effort and expense or may not be feasible. Our business, financial condition, and results of operations could be adversely affected as a result of an unfavorable resolution of the disputes and litigation referred to above.

We are involved in numerous class action lawsuits and other litigation matters that are expensive and time consuming, and, if resolved adversely, could harm our business, financial condition, or results of operations.

In addition to intellectual property claims, we are also involved in numerous other lawsuits, including putative class action lawsuits brought by users and marketers, many of whom claim statutory damages or seek significant changes to our business operations, and we anticipate that we will continue to be a target for numerous lawsuits in the future. Because Facebook has over a billion users, the plaintiffs in class action cases filed against us typically claim enormous monetary damages even if the alleged per-user harm is small or non-existent. In addition, following our acquisition of Oculus, we may be subject to additional class

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action lawsuits based on product performance or other claims related to the use of consumer hardware and software, as well as virtual reality technology and products, which are new and unproven. Any negative outcome from any such lawsuits could result in payments of substantial monetary damages or fines, or undesirable changes to our products or business practices, and accordingly our business, financial condition, or results of operations could be materially and adversely affected. Although the results of such lawsuits and claims cannot be predicted with certainty, we do not believe that the final outcome of those matters relating to our products that we currently face will have a material adverse effect on our business, financial condition, or results of operations. In addition, we are currently the subject of stockholder class action suits in connection with our IPO. We believe these lawsuits are without merit and are vigorously defending these lawsuits.

There can be no assurances that a favorable final outcome will be obtained in all our cases, and defending any lawsuit is costly and can impose a significant burden on management and employees. Any litigation to which we are a party may result in an onerous or unfavorable judgment that may not be reversed upon appeal or in payments of substantial monetary damages or fines, or we may decide to settle lawsuits on similarly unfavorable terms, which could adversely affect our business, financial conditions, or results of operations.

Our CEO has control over key decision making as a result of his control of a majority of our voting stock.

Mark Zuckerberg, our founder, Chairman, and CEO, is able to exercise voting rights with respect to a majority of the voting power of our outstanding capital stock and therefore has the ability to control the outcome of matters submitted to our stockholders for approval, including the election of directors and any merger, consolidation, or sale of all or substantially all of our assets. This concentrated control could delay, defer, or prevent a change of control, merger, consolidation, or sale of all or substantially all of our assets that our other stockholders support, or conversely this concentrated control could result in the consummation of such a transaction that our other stockholders do not support. This concentrated control could also discourage a potential investor from acquiring our Class A common stock due to the limited voting power of such stock relative to the Class B common stock and might harm the trading price of our Class A common stock. In addition, Mr. Zuckerberg has the ability to control the management and major strategic investments of our company as a result of his position as our CEO and his ability to control the election or replacement of our directors. In the event of his death, the shares of our capital stock that Mr. Zuckerberg owns will be transferred to the persons or entities that he designates. As a board member and officer, Mr. Zuckerberg owes a fiduciary duty to our stockholders and must act in good faith in a manner he reasonably believes to be in the best interests of our stockholders. As a stockholder, even a controlling stockholder, Mr. Zuckerberg is entitled to vote his shares, and shares over which he has voting control as a result of voting agreements, in his own interests, which may not always be in the interests of our stockholders generally.

We plan to continue to make acquisitions, which could require significant management attention, disrupt our business, result in dilution to our stockholders, and adversely affect our financial condition and results of operations.

As part of our business strategy, we have made and intend to continue to make acquisitions to add specialized employees and complementary companies, products, or technologies. In some cases, these acquisitions may be substantial. For example, we completed our acquisitions of Oculus and WhatsApp in July and October 2014, respectively. Each of these companies is larger and more complex than any previous acquisitions we have made. Our ability to acquire and integrate such companies in a successful manner is unproven. In addition, we plan to make significant financial investments to support product development from these recent acquisitions, but we cannot assure you that these investments will be successful.

Any acquisitions we announce could be viewed negatively by users, marketers, developers, or investors. In addition, we may not successfully evaluate, integrate, or utilize the products, technology, operations, or personnel we acquire. The integration of acquisitions may require significant time and resources, and we may not manage these integrations successfully. In addition, we may discover liabilities or deficiencies that we did not identify in advance associated with the companies or assets we acquire. The effectiveness of our due diligence with respect to acquisitions, and our ability to evaluate the results of such due diligence, is dependent upon the accuracy and completeness of statements and disclosures made or actions taken by the companies we acquire or their representatives. We may also fail to accurately forecast the financial impact of an acquisition transaction, including tax and accounting charges. In the future, we may not be able to find suitable acquisition candidates, and we may not be able to complete acquisitions on favorable terms, if at all. If we are not successful in identifying and closing acquisitions, integrating acquired businesses, products, technology or people, or identifying and addressing liabilities and financial impacts associated with acquisitions, our business, operating results, and financial condition could be adversely affected.

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We may also incur substantial costs in making future acquisitions. We may pay substantial amounts of cash or incur debt to pay for acquisitions, which could adversely affect our liquidity. The incurrence of indebtedness would also result in increased fixed obligations, increased interest expense, and could also include covenants or other restrictions that would impede our ability to manage our operations. Additionally, we may issue equity securities to pay for acquisitions or to retain the employees of the acquired company, which could increase our expenses, adversely affect our financial results, and result in dilution to our stockholders. For example, we paid $4.59 billion in cash and issued 178 million shares of our Class A common stock in connection with our acquisition of WhatsApp, and we also agreed to issue 46 million RSUs to help retain WhatsApp employees. In addition, acquisitions may result in our recording of additional expenses to our results of operations and recording of finite-lived intangible assets on our balance sheet upon closing, which can be significant in connection with larger acquisitions such as WhatsApp and could adversely affect our future financial results and financial condition. These factors related to acquisitions may require significant management attention, disrupt our business, result in dilution to our stockholders, and adversely affect our financial results and financial condition.

If our goodwill or finite-lived intangible assets become impaired, we may be required to record a significant charge to earnings.

We review our finite-lived intangible assets for impairment when events or changes in circumstances indicate the carrying value may not be recoverable, such as a decline in stock price and market capitalization. We test goodwill for impairment at least annually. If such goodwill or intangible assets are deemed impaired, an impairment loss equal to the amount by which the carrying amount exceeds the fair value of the assets would be recognized. We may be required to record a significant charge in our financial statements during the period in which any impairment of our goodwill or finite-lived intangible assets is determined, which would negatively affect our results of operations.

Our business is dependent on our ability to maintain and scale our technical infrastructure, and any significant disruption in our service could damage our reputation, result in a potential loss of users and engagement, and adversely affect our financial results.

Our reputation and ability to attract, retain, and serve our users is dependent upon the reliable performance of our products and our underlying technical infrastructure. Our systems may not be adequately designed with the necessary reliability and redundancy to avoid performance delays or outages that could be harmful to our business. If Facebook is unavailable when users attempt to access it, or if it does not load as quickly as they expect, users may not use our products as often in the future, or at all. As our user base and the amount and types of information shared on Facebook continue to grow, we will need an increasing amount of technical infrastructure, including network capacity and computing power, to continue to satisfy the needs of our users. It is possible that we may fail to effectively scale and grow our technical infrastructure to accommodate these increased demands. In addition, our business may be subject to interruptions, delays, or failures resulting from earthquakes, adverse weather conditions, other natural disasters, power loss, terrorism, or other catastrophic events.

A substantial portion of our network infrastructure is provided by third parties. Any disruption or failure in the services we receive from these providers could harm our ability to handle existing or increased traffic and could significantly harm our business. Any financial or other difficulties these providers face may adversely affect our business, and we exercise little control over these providers, which increases our vulnerability to problems with the services they provide.

We could experience unforeseen difficulties in building and operating key portions of our technical infrastructure.

We have designed and built our own data centers and key portions of our technical infrastructure through which we serve our products, and we plan to continue to significantly expand the size of our infrastructure primarily through data centers and other projects. The infrastructure expansion we are undertaking is complex, and unanticipated delays in the completion of these projects or availability of components may lead to increased project costs, operational inefficiencies, or interruptions in the delivery or degradation of the quality of our products. In addition, there may be issues related to this infrastructure that are not identified during the testing phases of design and implementation, which may only become evident after we have started to fully utilize the underlying equipment, that could further degrade the user experience or increase our costs.

Our products and internal systems rely on software that is highly technical, and if it contains undetected errors, our business could be adversely affected.

Our products and internal systems rely on software, including software developed or maintained internally and/or by third parties, that is highly technical and complex. In addition, our products and internal systems depend on the ability of such software to store, retrieve, process, and manage immense amounts of data. The software on which we rely has contained, and may now or in the future contain, undetected errors, bugs, or vulnerabilities. Some errors may only be discovered after the code has been released for external or internal use. Errors or other design defects within the software on which we rely may result in a negative experience for users and marketers who use our products, delay product introductions or enhancements, result in measurement or billing errors, or compromise our ability to protect the data of our users and/or our intellectual property. Any errors, bugs, or defects

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discovered in the software on which we rely could result in damage to our reputation, loss of users, loss of revenue, or liability for damages, any of which could adversely affect our business and financial results.

Certain of our user metrics are subject to inherent challenges in measurement, and real or perceived inaccuracies in such metrics may harm our reputation and negatively affect our business.

The numbers for our key metrics, which include our DAUs, mobile DAUs, MAUs, mobile MAUs, and average revenue per user (ARPU), as well as certain other metrics such as mobile-only DAUs and mobile-only MAUs, are calculated using internal company data based on the activity of user accounts. While these numbers are based on what we believe to be reasonable estimates of our user base for the applicable period of measurement, there are inherent challenges in measuring usage of our products across large online and mobile populations around the world.

For example, there may be individuals who maintain one or more Facebook accounts in violation of our terms of service. We estimate, for example, that "duplicate" accounts (an account that a user maintains in addition to his or her principal account) may have represented between approximately 4.3% and 7.9% of our worldwide MAUs in 2013. We also seek to identify "false" accounts, which we divide into two categories: (1) user-misclassified accounts, where users have created personal profiles for a business, organization, or non-human entity such as a pet (such entities are permitted on Facebook using a Page rather than a personal profile under our terms of service); and (2) undesirable accounts, which represent user profiles that we determine are intended to be used for purposes that violate our terms of service, such as spamming. In 2013, for example, we estimate user-misclassified accounts may have represented between approximately 0.8% and 2.1% of our worldwide MAUs and undesirable accounts may have represented between approximately 0.4% and 1.2% of our worldwide MAUs. We believe the percentage of accounts that are duplicate or false is meaningfully lower in developed markets such as the United States or United Kingdom and higher in developing markets such as India and Turkey. However, these estimates are based on an internal review of a limited sample of accounts and we apply significant judgment in making this determination, such as identifying names that appear to be fake or other behavior that appears inauthentic to the reviewers. As such, our estimation of duplicate or false accounts may not accurately represent the actual number of such accounts. We are continually seeking to improve our ability to identify duplicate or false accounts and estimate the total number of such accounts, and such estimates may change due to improvements or changes in our methodology. Due to inherent variability in such estimates at particular dates of measurement, we disclose these estimates as a range over a recent period.

Our data limitations may affect our understanding of certain details of our business. For example, while user-provided data indicates a decline in usage among younger users, this age data is unreliable because a disproportionate number of our younger users register with an inaccurate age. Accordingly, our understanding of usage by age group may not be complete.

Some of our metrics have also been affected by applications on certain mobile devices that automatically contact our servers for regular updates with no user action involved, and this activity can cause our system to count the user associated with such a device as an active user on the day such contact occurs. For example, we estimate that less than 5% of our estimated worldwide DAUs as of December 31, 2011 resulted from this type of automatic mobile activity, and that this type of activity had a substantially smaller effect on our estimate of worldwide MAUs and mobile MAUs. The impact of this automatic activity on our metrics varied by geography because mobile usage varies in different regions of the world. In addition, our data regarding the geographic location of our users is estimated based on a number of factors, such as the user's IP address and self-disclosed location. These factors may not always accurately reflect the user's actual location. For example, a mobile-only user may appear to be accessing Facebook from the location of the proxy server that the user connects to rather than from the user's actual location. The methodologies used to measure user metrics may also be susceptible to algorithm or other technical errors. For example, in early June 2012, we discovered an error in the algorithm we use to estimate the geographic location of our users that affected our attribution of certain user locations for the period ended March 31, 2012. While this issue did not affect our overall worldwide DAU and MAU numbers, it did affect our attribution of users across different geographic regions. We estimate that the number of MAUs as of March 31, 2012 for the United States & Canada region was overstated as a result of the error by approximately 3% and this overstatement was offset by understatements in other regions. The number of such users for the period ended March 31, 2012 disclosed in "Management's Discussion and Analysis of Financial Condition and Results of Operations — Trends in Our User Metrics" reflects the reclassification to more correctly attribute users by geographic region. Our estimates for revenue by user location and revenue by user device are also affected by these factors.

We regularly review our processes for calculating these metrics, and from time to time we may discover inaccuracies in our metrics or make adjustments to improve their accuracy, including adjustments that may result in the recalculation of our historical metrics. We believe that any such inaccuracies or adjustments are immaterial unless otherwise stated. In addition, our DAU and MAU estimates will differ from estimates published by third parties due to differences in methodology. For example, some third parties are not able to accurately measure mobile users or do not count mobile users for certain user groups or at all in their analyses.

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If marketers, developers, or investors do not perceive our user metrics to be accurate representations of our user base, or if we discover material inaccuracies in our user metrics, our reputation may be harmed and marketers and developers may be less willing to allocate their budgets or resources to Facebook, which could negatively affect our business and financial results.

We cannot assure you that we will effectively manage our growth.

Our employee headcount and the scope and complexity of our business have increased significantly, with the number of employees increasing to 8,348 as of September 30, 2014 from 5,794 as of September 30, 2013, and we expect headcount growth to continue for the foreseeable future. The growth and expansion of our business and products create significant challenges for our management, operational, and financial resources, including managing multiple relations with users, marketers, developers, and other third parties. In the event of continued growth of our operations or in the number of our third-party relationships, our information technology systems or our internal controls and procedures may not be adequate to support our operations. In addition, some members of our management do not have significant experience managing a large global business operation, so our management may not be able to manage such growth effectively. To effectively manage our growth, we must continue to improve our operational, financial, and management processes and systems and to effectively expand, train, and manage our employee base. As our organization continues to grow, and we are required to implement more complex organizational management structures, we may find it increasingly difficult to maintain the benefits of our corporate culture, including our ability to quickly develop and launch new and innovative products. This could negatively affect our business performance.

The loss of one or more of our key personnel, or our failure to attract and retain other highly qualified personnel in the future, could harm our business.

We currently depend on the continued services and performance of our key personnel, including Mark Zuckerberg and Sheryl K. Sandberg. Although we have entered into employment agreements with Mr. Zuckerberg and Ms. Sandberg, the agreements have no specific duration and constitute at-will employment. In addition, many of our key technologies and systems are custom-made for our business by our personnel. The loss of key personnel, including members of management as well as key engineering, product development, marketing, and sales personnel, could disrupt our operations and have an adverse effect on our business.

As we continue to grow, we cannot guarantee we will continue to attract the personnel we need to maintain our competitive position. In particular, we intend to continue to hire a significant number of technical personnel in the foreseeable future, and we expect to face significant competition from other companies in hiring such personnel, particularly in the San Francisco Bay Area. As we mature, the incentives to attract, retain, and motivate employees provided by our equity awards or by future arrangements may not be as effective as in the past, and if we issue significant equity to attract additional employees, the ownership of our existing stockholders may be further diluted. Additionally, we have a number of current employees whose equity ownership in our company has provided them a substantial amount of personal wealth, which could affect their decisions about whether or not to continue to work for us. As a result of these factors, it may be difficult for us to continue to retain and motivate our employees. If we do not succeed in attracting, hiring, and integrating excellent personnel, or retaining and motivating existing personnel, we may be unable to grow effectively.

We may incur liability as a result of information retrieved from or transmitted over the Internet or posted to Facebook and claims related to our products.

We have faced, currently face, and will continue to face claims relating to information that is published or made available on Facebook. In particular, the nature of our business exposes us to claims related to defamation, intellectual property rights, rights of publicity and privacy, and personal injury torts. This risk is enhanced in certain jurisdictions outside the United States where our protection from liability for third-party actions may be unclear and where we may be less protected under local laws than we are in the United States. We could incur significant costs investigating and defending such claims and, if we are found liable, significant damages. If any of these events occur, our business and financial results could be adversely affected.

Computer malware, viruses, hacking and phishing attacks, and spamming could harm our business and results of operations.

Computer malware, viruses, and computer hacking and phishing attacks have become more prevalent in our industry, have occurred on our systems in the past, and may occur on our systems in the future. Because of our prominence, we believe that we are a particularly attractive target for such attacks. Though it is difficult to determine what, if any, harm may directly result from any specific interruption or attack, any failure to maintain performance, reliability, security, and availability of our products and technical infrastructure. Any such failure may harm our reputation, our ability to retain existing users and attract new users, and our results of operations.

In addition, spammers attempt to use our products to send targeted and untargeted spam messages to users, which may embarrass or annoy users and make Facebook less user-friendly. We cannot be certain that the technologies and employees that

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we have to attempt to defeat spamming attacks will be able to curb spam messages from being sent on our platform. As a result of spamming activities, our users may use Facebook less or stop using our products altogether.

Payment transactions on Facebook may subject us to additional regulatory requirements and other risks that could be costly and difficult to comply with or that could harm our business.

Our users can use Facebook to purchase virtual and digital goods from developers that offer applications on the Facebook website using our Payments infrastructure. We are subject to a variety of laws and regulations in the United States, Europe, and elsewhere, including those governing anti-money laundering and counter-terrorist financing, money transmission, gift cards and other prepaid access instruments, and import and export restrictions. Depending on how our Payments product evolves, we may also be subject to other laws and regulations including those governing electronic funds transfers, gambling, banking, and lending. In some jurisdictions, the application or interpretation of these laws and regulations is not clear. To increase flexibility in how our use of Payments may evolve and to mitigate regulatory uncertainty, we have received certain money transmitter licenses in the United States and are applying for certain regulatory licenses in Europe, which will generally require us to demonstrate compliance with many domestic and foreign laws in these areas. Our efforts to comply with these laws and regulations could be costly and result in diversion of management time and effort and may still not guarantee compliance. In the event that we are found to be in violation of any such legal or regulatory requirements, we may be subject to monetary fines or other penalties such as a cease and desist order, or we may be required to make product changes, any of which could have an adverse effect on our business and financial results.

In addition, we may be subject to a variety of additional risks as a result of Payments on Facebook, including:

• increased costs and diversion of management time and effort and other resources to deal with bad transactions or customer disputes;

• potential fraudulent or otherwise illegal activity by users, developers, employees, or third parties;

• restrictions on the investment of consumer funds used to transact Payments; and

• additional disclosure and reporting requirements.

We plan to continue expanding our operations abroad where we have limited operating experience and may be subject to increased business and economic risks that could affect our financial results.

We plan to continue the international expansion of our business operations and the translation of our products. We currently make Facebook available in more than 70 different languages, and we have offices or data centers in more than 25 different countries. We may enter new international markets where we have limited or no experience in marketing, selling, and deploying our products. Our products are generally available globally through the web and on mobile, but some or all of our products or functionality may not be available in certain markets due to legal and regulatory complexities. For example, Facebook is not generally available in China. If we fail to deploy or manage our operations in international markets successfully, our business may suffer. In addition, we are subject to a variety of risks inherent in doing business internationally, including:

• political, social, or economic instability;

• risks related to the legal and regulatory environment in foreign jurisdictions, including with respect to privacy and tax and terrestrial infrastructure matters, and unexpected changes in laws, regulatory requirements, and enforcement;

• potential damage to our brand and reputation due to compliance with local laws, including potential censorship or requirements to provide user information to local authorities;

• fluctuations in currency exchange rates and compliance with currency controls;

• higher levels of credit risk and payment fraud;

• enhanced difficulties of integrating any foreign acquisitions;

• burdens of complying with a variety of foreign laws;

• reduced protection for intellectual property rights in some countries;

• difficulties in staffing and managing global operations and the increased travel, infrastructure, and legal compliance costs associated with multiple international locations;

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• compliance with the U.S. Foreign Corrupt Practices Act, the U.K. Bribery Act, and similar laws in other jurisdictions; and

• compliance with statutory equity requirements and management of tax consequences.

If we are unable to expand internationally and manage the complexity of our global operations successfully, our financial results could be adversely affected.

We may incur a substantial amount of indebtedness, which could adversely affect our financial condition.

In August 2013, we entered into a five-year senior unsecured revolving credit facility under which we may borrow up to $6.5 billion to fund working capital and general corporate purposes. As of September 30, 2014, no amounts were outstanding under this facility. If we draw down on this facility in the future, our interest expense and principal repayment requirements will increase significantly, which could have an adverse effect on our financial results.

We may require additional capital to support our business growth, and this capital may not be available on acceptable terms, if at all.

We may require additional capital to support our business growth or to respond to business opportunities, challenges or unforeseen circumstances. Our ability to obtain additional capital, if and when required, will depend on our business plans, investor demand, our operating performance, the condition of the capital markets, and other factors. If we raise additional funds through the issuance of equity, equity-linked or debt securities, those securities may have rights, preferences, or privileges senior to the rights of our Class A common stock, and our existing stockholders may experience dilution. If we are unable to obtain additional capital when required, or are unable to obtain additional capital on satisfactory terms, our ability to continue to support our business growth or to respond to business opportunities, challenges, or unforeseen circumstances could be adversely affected, and our business may be harmed.

If we default on our leasing and credit obligations, our operations may be interrupted and our business and financial results could be adversely affected.

We finance a significant portion of our expenditures through leasing arrangements, some of which are not required to be reflected on our balance sheet, and we may enter into additional similar arrangements in the future. In particular, we have used these types of arrangements to finance some of our equipment, offices, and data centers. In addition, we have a $6.5 billion revolving credit facility that we may draw upon to finance our operations or other corporate purposes. If we default on these leasing and credit obligations, our leasing partners and lenders may, among other things:

• require repayment of any outstanding lease obligations or amounts drawn on our credit facility;

• terminate our leasing arrangements and credit facilities;

• terminate our access to the leased data centers and offices we utilize;

• stop delivery of ordered equipment;

• sell or require us to return our leased equipment; or

• require us to pay significant damages.

If some or all of these events were to occur, our operations may be interrupted and our ability to fund our operations or obligations, as well as our business, financial results, and financial condition, could be adversely affected.

We may have exposure to greater than anticipated tax liabilities.

Our income tax obligations are based in part on our corporate operating structure and intercompany arrangements, including the manner in which we develop, value, and use our intellectual property and the valuations of our intercompany transactions. The tax laws applicable to our business, including the laws of the United States and other jurisdictions, are subject to interpretation and certain jurisdictions are aggressively interpreting their laws in new ways in an effort to raise additional tax proceeds from companies such as Facebook. The taxing authorities of the jurisdictions in which we operate may challenge our methodologies for valuing developed technology or intercompany arrangements, which could increase our worldwide effective tax rate and harm our financial position and results of operations. We are subject to regular review and audit by U.S. federal and state and foreign tax authorities. Tax authorities may disagree with certain positions we have taken and any adverse outcome of such a review or audit could have a negative effect on our financial position and results of operations. In addition, the determination of our worldwide provision for income taxes and other tax liabilities requires significant judgment by management, and there are many transactions

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where the ultimate tax determination is uncertain. Although we believe that our estimates are reasonable, the ultimate tax outcome may differ from the amounts recorded in our financial statements and may materially affect our financial results in the period or periods for which such determination is made.In addition, our future income taxes could be adversely affected by earnings being lower than anticipated in jurisdictions that have lower statutory tax rates and higher than anticipated in jurisdictions that have higher statutory tax rates, by changes in the valuation of our deferred tax assets and liabilities, or by changes in tax laws, regulations, or accounting principles. For example, we have previously incurred losses in certain international subsidiaries that resulted in an effective tax rate that is significantly higher than the statutory tax rate in the United States and this could continue to happen in the future.

Changes in tax laws or tax rulings could materially affect our financial position and results of operations.

Changes in tax laws or tax rulings could materially affect our financial position and results of operations. For example, the current U.S. administration and key members of Congress have made public statements indicating that tax reform is a priority. Certain changes to U.S. tax laws, including limitations on the ability to defer U.S. taxation on earnings outside of the United States until those earnings are repatriated to the United States, could affect the tax treatment of our foreign earnings. In addition, many countries in the European Union, as well as a number of other countries and organizations such as the Organization for Economic Cooperation and Development, are actively considering changes to existing tax laws. Certain proposals could include recommendations that would significantly increase our tax obligations in many countries where we do business. Due to the large and expanding scale of our international business activities, any changes in the taxation of such activities may increase our worldwide effective tax rate and harm our financial position and results of operations.

Risks Related to Ownership of Our Class A Common Stock

The trading price of our Class A common stock has been and will likely continue to be volatile.

The trading price of our Class A common stock has been, and is likely to continue to be, volatile. Since shares of our Class A common stock were sold in our IPO in May 2012 at a price of $38.00 per share, our stock price has ranged from $17.55 to $79.71 through September 30, 2014. In addition to the factors discussed in this Quarterly Report on Form 10-Q, the trading price of our Class A common stock may fluctuate significantly in response to numerous factors, many of which are beyond our control, including:

• actual or anticipated fluctuations in our revenue and other operating results;

• the financial projections we may provide to the public, any changes in these projections or our failure to meet these projections;

• actions of securities analysts who initiate or maintain coverage of us, changes in financial estimates by any securities analysts who follow our company, or our failure to meet these estimates or the expectations of investors;

• additional shares of our Class A common stock being sold into the market by us, our existing stockholders, or in connection with acquisitions, including shares sold by our employees to cover tax liabilities in connection with RSU vesting events, or the anticipation of such sales;

• investor sentiment with respect to our competitors, our business partners, and our industry in general;

• announcements by us or our competitors of significant products or features, technical innovations, acquisitions, strategic partnerships, joint ventures, or capital commitments;

• announcements by us or estimates by third parties of actual or anticipated changes in the size of our user base, the level of user engagement, or the effectiveness of our ad products;

• changes in operating performance and stock market valuations of technology companies in our industry, including our developers and competitors;

• price and volume fluctuations in the overall stock market, including as a result of trends in the economy as a whole;

• the inclusion or deletion of our Class A common stock from any trading indices, such as the S&P 500 Index;

• media coverage of our business and financial performance;

• lawsuits threatened or filed against us;

• developments in anticipated or new legislation and pending lawsuits or regulatory actions, including interim or final

54

rulings by tax, judicial, or regulatory bodies; and

• other events or factors, including those resulting from war or incidents of terrorism, or responses to these events.

In addition, the stock markets have experienced extreme price and volume fluctuations that have affected and continue to affect the market prices of equity securities of many technology companies. Stock prices of many technology companies have fluctuated in a manner unrelated or disproportionate to the operating performance of those companies. We are currently subject to securities litigation in connection with our IPO. We may experience more such litigation following future periods of volatility. Any securities litigation could subject us to substantial costs, divert resources and the attention of management from our business, and adversely affect our business.

If securities or industry analysts publish inaccurate or unfavorable research about our business, our stock price could decline.

The trading market for our Class A common stock depends in part on the research and reports that securities or industry analysts publish about us or our business. If one or more of the analysts who cover us downgrade the rating of our Class A common stock or publish inaccurate or unfavorable research about our business, our Class A common stock price could decline.

We do not intend to pay dividends for the foreseeable future.

We have never declared or paid cash dividends on our capital stock. We currently intend to retain any future earnings to finance the operation and expansion of our business, and we do not expect to declare or pay any dividends in the foreseeable future. As a result, you may only receive a return on your investment in our Class A common stock if the trading price of our Class A common stock increases. In addition, our credit facility contains restrictions on our ability to pay dividends.

If we are unable to maintain effective internal control over financial reporting in the future, investors may lose confidence in the accuracy and completeness of our financial reports and the trading price of our Class A common stock may be negatively affected.

We are subject to Section 404 of the Sarbanes-Oxley Act (SOX), which requires us to maintain internal controls over financial reporting and to report any material weaknesses in such internal controls. We have consumed and will continue to consume management resources and incur expenses for SOX compliance on an ongoing basis. If we identify material weaknesses in our internal control over financial reporting, or if we are unable to comply with the requirements of Section 404 in a timely manner or assert that our internal control over financial reporting is effective, investors may lose confidence in the accuracy and completeness of our financial reports and the trading price of our Class A common stock could be negatively affected. We also could become subject to investigations by the stock exchange on which our securities are listed, the Securities and Exchange Commission (SEC), or other regulatory authorities, which could require additional financial and management resources.

The requirements of being a public company may strain our resources and divert management's attention.

We are subject to the reporting requirements of the Securities Exchange Act of 1934, as amended, the Dodd-Frank Act, the listing requirements of the NASDAQ Global Select Market, and other applicable securities rules and regulations. Compliance with these rules and regulations has increased and likely will continue to increase our legal and financial compliance costs, make some activities more difficult, time-consuming, or costly, and increase demand on our systems and resources. As a result, management's attention may be diverted from other business concerns, which could harm our business and operating results.

In addition, complying with public disclosure rules makes our business more visible, which we believe may result in threatened or actual litigation, including by competitors and other third parties. If such claims are successful, our business and operating results could be harmed, and even if the claims do not result in litigation or are resolved in our favor, these claims, and the time and resources necessary to resolve them, could divert the resources of our management and harm our business and operating results.

The dual class structure of our common stock and the voting agreements among certain stockholders have the effect of concentrating voting control with our CEO and certain other holders of our Class B common stock; this will limit or preclude your ability to influence corporate matters.

Our Class B common stock has ten votes per share, and our Class A common stock has one vote per share. Stockholders who hold shares of Class B common stock, including certain of our executive officers, employees, and directors and their affiliates, together hold a substantial majority of the voting power of our outstanding capital stock. Because of the ten-to-one voting ratio between our Class B and Class A common stock, the holders of our Class B common stock collectively control a majority of the combined voting power of our common stock and therefore are able to control all matters submitted to our stockholders for approval so long as the shares of Class B common stock represent at least 9.1% of all outstanding shares of our Class A and Class B common stock. This concentrated control will limit or preclude your ability to influence corporate matters for the foreseeable future.

55

Transfers by holders of Class B common stock will generally result in those shares converting to Class A common stock, subject to limited exceptions, such as certain transfers effected for estate planning or charitable purposes. The conversion of Class B common stock to Class A common stock will have the effect, over time, of increasing the relative voting power of those holders of Class B common stock who retain their shares in the long term. If, for example, Mr. Zuckerberg retains a significant portion of his holdings of Class B common stock for an extended period of time, he could, in the future, continue to control a majority of the combined voting power of our Class A common stock and Class B common stock.

We have elected to take advantage of the "controlled company" exemption to the corporate governance rules for NASDAQ-listed companies, which could make our Class A common stock less attractive to some investors or otherwise harm our stock price.

Because we qualify as a "controlled company" under the corporate governance rules for NASDAQ-listed companies, we are not required to have a majority of our board of directors be independent, nor are we required to have a compensation committee or an independent nominating function. In light of our status as a controlled company, our board of directors determined not to have an independent nominating function and chose to have the full board of directors be directly responsible for nominating members of our board, and in the future we could elect not to have a majority of our board of directors be independent or not to have a compensation committee. Accordingly, should the interests of our controlling stockholder differ from those of other stockholders, the other stockholders may not have the same protections afforded to stockholders of companies that are subject to all of the corporate governance rules for NASDAQ-listed companies. Our status as a controlled company could make our Class A common stock less attractive to some investors or otherwise harm our stock price.

Delaware law and provisions in our restated certificate of incorporation and bylaws could make a merger, tender offer, or proxy contest difficult, thereby depressing the trading price of our Class A common stock.

Our status as a Delaware corporation and the anti-takeover provisions of the Delaware General Corporation Law may discourage, delay, or prevent a change in control by prohibiting us from engaging in a business combination with an interested stockholder for a period of three years after the person becomes an interested stockholder, even if a change of control would be beneficial to our existing stockholders. In addition, our restated certificate of incorporation and bylaws contain provisions that may make the acquisition of our company more difficult, including the following:

• until the first date on which the outstanding shares of our Class B common stock represent less than 35% of the combined voting power of our common stock, any transaction that would result in a change in control of our company requires the approval of a majority of our outstanding Class B common stock voting as a separate class;

• we have a dual class common stock structure, which provides Mr. Zuckerberg with the ability to control the outcome of matters requiring stockholder approval, even if he owns significantly less than a majority of the shares of our outstanding Class A and Class B common stock;

• when the outstanding shares of our Class B common stock represent less than a majority of the combined voting power of common stock, certain amendments to our restated certificate of incorporation or bylaws will require the approval of two-thirds of the combined vote of our then-outstanding shares of Class A and Class B common stock;

• when the outstanding shares of our Class B common stock represent less than a majority of the combined voting power of our common stock, vacancies on our board of directors will be able to be filled only by our board of directors and not by stockholders;

• when the outstanding shares of our Class B common stock represent less than a majority of the combined voting power of our common stock, our board of directors will be classified into three classes of directors with staggered three-year terms and directors will only be able to be removed from office for cause;

• when the outstanding shares of our Class B common stock represent less than a majority of the combined voting power of our common stock, our stockholders will only be able to take action at a meeting of stockholders and not by written consent;

• only our chairman, our chief executive officer, our president, or a majority of our board of directors are authorized to call a special meeting of stockholders;

• advance notice procedures apply for stockholders to nominate candidates for election as directors or to bring matters before an annual meeting of stockholders;

• our restated certificate of incorporation authorizes undesignated preferred stock, the terms of which may be established, and shares of which may be issued, without stockholder approval; and

56

• certain litigation against us can only be brought in Delaware.

57

Item 2. Unregistered Sales of Equity Securities and Use of Proceeds.

a) Sales of Unregistered Securities

On July 21, 2014, we issued 23,071,365shares of our Class B common stock as consideration to 14 individuals and 13 entities in connection with our acquisition of all the outstanding shares of a company. The sales of these securities were exempt from registration under the Securities Act in reliance upon Section 3(a)(10) of the Securities Act.

b) Issuer Purchases of Equity Securities The table below provides information with respect to repurchases of unvested shares of our Class A common stock. 

Period	Total Number of Shares Purchased (1)	Weighted Average Price Paid per Share		Total Number of Shares Purchased as Part of Publicly Announced Plans or Programs	Maximum Number of Shares that May Yet Be Purchased Under the Plans or Programs
July 1 – July 31, 2014	—	—		—	—
August 1 – August 31, 2014	70,484	$	0.000006	—	—
September 1 – September 30, 2014	—	—		—	—

(1) Unvested shares are subject to a right of repurchase by us in the event the recipient of such unvested acquisition shares is no longer employed by us. All shares in the above table were shares repurchased as a result of us exercising this right and not pursuant to a publicly announced plan or program.

58

Item 6. Exhibits

Exhibit		Incorporated by Reference				Filed Herewith
Number	Exhibit Description	Form	File No.	Exhibit	Filing Date
2.1	Agreement and Plan of Merger and Reorganization, dated as of February 19, 2014, among the Registrant, Rhodium Acquisition Sub II, Inc., Rhodium Merger Sub, Inc., WhatsApp Inc., and Fortis Advisors LLC.	10-Q	001-35551	2.1	April 25, 2014
2.2	Amended and Restated Agreement and Plan of Merger, dated as of April 21, 2014, among the Registrant, Inception Acquisition Sub, Inc., Inception Acquisition Sub II, LLC, Oculus VR, Inc., and Shareholder Representative Services LLC.	10-Q	001-35551	2.2	April 25, 2014
4.1	Registration Rights Agreement, dated as of October 6, 2014, among the Registrant and the parties thereto.	S-3	333-199678	4.9	October 29, 2014
10.1	Offer Letter, dated as of October 6, 2014, between Registrant and Jan Koum.					X
10.2	Form of Non-Plan Restricted Stock Unit Award Notice and Award Agreement	S-8	333-199172	99.1	October 6, 2014
31.1	Certification of Mark Zuckerberg, Chief Executive Officer, pursuant to Rule 13a-14(a)/15d-14(a), as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.					X
31.2	Certification of David M. Wehner, Chief Financial Officer, pursuant to Rule 13a-14(a)/15d-14(a), as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.					X
32.1#	Certification of Mark Zuckerberg, Chief Executive Officer, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.					X
32.2#	Certification of David M. Wehner, Chief Financial Officer, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.					X
101.INS	XBRL Instance Document.					X
101.SCH	XBRL Taxonomy Extension Schema Document.					X
101.CAL	XBRL Taxonomy Extension Calculation Linkbase Document.					X
101.DEF	XBRL Taxonomy Extension Definition Linkbase Document.					X
101.LAB	XBRL Taxonomy Extension Labels Linkbase Document.					X
101.PRE	XBRL Taxonomy Extension Presentation Linkbase Document.					X

# This certification is deemed not filed for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (Exchange Act), or otherwise subject to the liability of that section, nor shall it be deemed incorporated by reference into any filing under the Securities Act of 1933, as amended (Securities Act), or the Exchange Act.

59

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this Quarterly Report on Form 10-Q to be signed on its behalf by the undersigned, thereunto duly authorized, in the City of Menlo Park, State of California, on this 30th day of October 2014.

	FACEBOOK, INC.
Date: October 30, 2014	/s/ DAVID M. WEHNER
	David M. Wehner Chief Financial Officer (Principal Financial Officer)
Date: October 30, 2014	/s/ JAS ATHWAL
	Jas Athwal Chief Accounting Officer (Principal Accounting Officer)

60

EX-10.1

Exhibit 10.1

October 6, 2014

Dear Jan:

On behalf of WhatsApp Inc. (the “Company” or “WhatsApp”), which will be a wholly-owned subsidiary of Facebook, Inc. (“Facebook”) following the closing of the Acquisition (as defined below), I am pleased to offer you full-time employment in the position of Chief Executive Officer of WhatsApp reporting to the Chief Executive Officer of Facebook, subject to the closing of the acquisition (the “Acquisition”) contemplated by that certain Agreement and Plan of Merger and Reorganization dated as of February 19, 2014, by and among Facebook, WhatsApp Inc. and the other parties thereto (the “Merger Agreement”). As Chief Executive Officer of WhatsApp, you will continue to lead WhatsApp and make the strategic and operational decisions customary of a Chief Executive Officer, while consulting with the Chief Executive Officer of Facebook. You shall be appointed to serve as a director of Facebook on Facebook’s Board of Directors (the “Board”) as of the closing of the Acquisition, and you hereby accept such appointment and agree to serve. You will be working out of the Company’s Mountain View office. Where the context requires, references to the “Company” or “WhatsApp” set forth in this letter refer to Rhodium Acquisition Sub II, Inc., which will be renamed “WhatsApp Inc.” following the closing of the Acquisition.

1.    Compensation.

a.    Base Pay. In this position, your base pay will be $1.00.

b.    Bonus. In this position, you will not be eligible for a bonus under Facebook’s bonus plan.

2.    Employee Benefits.

a.    Paid Time Off. Subject to Facebook’s PTO policy, you will be eligible to accrue up to twenty-one (21) days of PTO per calendar year, pro-rated for the remainder of this calendar year.

b.    Group Plans. Facebook will provide you with the opportunity to participate in the standard benefits plans currently available to other similarly situated employees, including medical, dental, and vision, subject to any eligibility requirements imposed by such plans.

3.    Restricted Stock Units.

Pursuant to the terms of the Merger Agreement, and as a material inducement to your acceptance of our offer of employment, within two business days following the closing of the Acquisition you will be awarded 24,853,468 restricted stock units ("RSUs") subject to the terms of a non-shareholder approved equity incentive award issued in reliance on the “inducement exception” provided under Rule 5635(c)(4) of the NASDAQ Listing Rules in the form attached to this Offer

Letter as Attachment C (the “Inducement Award”). Each RSU that is awarded to you will entitle you to receive one share of Facebook Class A common stock (the “Shares”) following vesting. Facebook will cause to be filed an immediately effective Registration Statement on Form S-8 to register the Shares underlying the Inducement Award within two business days following the closing of the Acquisition.

Unlike traditional stock options, you do not need to pay any exercise price for the shares of Facebook's stock subject to the RSUs; they are simply delivered to you as a component of your compensation if and when they vest. The RSUs are subject to a four-year quarterly vesting schedule with a one-year “cliff.” If you have been continuously employed by the Company through the one-year anniversary of your RSU start date as specified in your award agreement (your “Cliff Date”), you will be entitled to receive 20% of the Shares on your Cliff Date.  After the Cliff Date, on each subsequent Quarterly Vesting Date, you will vest in (a) with respect to the first eight (8) Quarterly Vesting Dates, 1/20^th of the Shares, and (b) with respect to the last four (4) Quarterly Vesting Dates, 1/10^th of the Shares, provided that you have been continuously employed by the Company through such date.

Facebook has four Quarterly Vesting Dates each year: February 15^th, May 15^th, August 15^th and November 15^th.  Your RSU start date will be the first Quarterly Vesting Date following the closing date of the Acquisition.  For example, if the Acquisition closes on October 30^th, your RSU start date will be November 15^th.  Before any Shares are delivered to you following vesting, Facebook must satisfy its tax withholding obligations in a manner satisfactory to Facebook, which may include withholding a number of Shares with a fair market value equal to the amount Facebook is then required to withhold for taxes.  The RSUs shall be subject to the terms and conditions set forth in Schedule 5.12 of the Merger Agreement, the Inducement Award and Facebook’s policies in effect from time to time. Capitalized terms set forth above will have the meanings set forth in the Inducement Award.

Notwithstanding the foregoing, in the event that your employment with WhatsApp or Facebook is terminated by WhatsApp or Facebook without “Cause” (as defined in Schedule 5.12 of the Merger Agreement) or by you for “Good Reason” (as defined in Schedule 5.12 of the Merger Agreement) prior to the RSU start date or the vesting of some or all of the RSUs, all unvested RSUs that have been awarded to you will become vested as of the date of your termination of employment (it being understood that, for the avoidance of doubt, this sentence only applies to your grant of RSUs in connection with the transactions contemplated by the Merger Agreement).

4.    Pre-employment Conditions.

a.    Confidentiality Agreement. By signing and agreeing to this Offer Letter, you also agree to be bound by the terms and conditions of the enclosed Confidential Information and Invention Assignment Agreement (the “Confidentiality Agreement”). We require that you sign the Confidentiality Agreement and return it to us with this Offer Letter prior to or on your Start Date.

b.    Mutual Arbitration Agreement and Class Action Waiver. By signing and agreeing to this Offer Letter, you agree to be bound by the terms and conditions of the enclosed Mutual Arbitration Agreement and Class Action Waiver (the “Arbitration Agreement”). You attest and agree that you have reviewed the Arbitration Agreement and that you have had the opportunity to review the Arbitration Agreement with an attorney of your own choosing. Your agreement to abide by the terms of the Arbitration Agreement is a condition of your employment with WhatsApp. We require that you sign the Arbitration Agreement and return it to us with this Offer Letter prior to or on your Start Date.

c.    Right to Work. For purposes of federal immigration law, you will be required to provide to the Company documentary evidence of your identity and eligibility for employment in the United States. Such documentation must be provided to us within three (3) business days of your Start Date, or our employment relationship with you may be terminated.

This offer is also contingent upon receipt of any export license or other approval that may be required under United States export control laws and regulations.  The Company is not obligated to apply for any export license or other approval that may be required, nor can we guarantee that the United States Government will issue an export license or other approval, in the event that we do file an application.

5.    No Conflicting Obligations. You understand and agree that by accepting this offer of employment, you represent to the Company that your performance will not breach any other agreement to which you are a party and that you have not, and will not during the term of your employment with the Company, enter into any oral or written agreement in conflict with any of the provisions of this letter or the Company’s policies. You are not to bring with you to the Company, or use or disclose to any person associated with the Company, any confidential or proprietary information belonging to any former employer (except WhatsApp) or other person or entity with respect to which you owe an obligation of confidentiality under any agreement or otherwise. The Company does not need and will not use such information and we will assist you in any way possible to preserve and protect the confidentiality of proprietary information belonging to third parties. Also, we expect you to abide by any obligations to refrain from soliciting any person employed by or otherwise associated with any former employer and suggest that you refrain from having any contact with such persons until such time as any non-solicitation obligation expires.

6.    Outside Activities. While you render services to the Company, you agree that you will not engage in any other employment, consulting or other business activity without the written consent of the Company, except for civic and charitable business activities. In addition, while you render services to the Company, you will not assist any person or entity in competing with the Company, in preparing to compete with the Company or in hiring any employees or consultants of the Company.

7.    General Obligations. As an employee, you will be expected to adhere to the Company’s standards of professionalism, loyalty, integrity, honesty, reliability and respect for all. You will also be expected to comply with the Company’s and Facebook’s policies and procedures. The Company is an equal opportunity employer.

8.    At-Will Employment. Employment with the Company is for no specific period of time. Your employment with the Company will be on an “at will” basis, meaning that either you or the Company may terminate your employment at any time, with or without advance notice, and for any reason or no particular reason or cause. Any contrary representations which may have been made to you are superseded by this offer. This is the full and complete agreement between you and the Company on this term. Subject to Section 3, although your compensation and benefits, as well as the Company’s personnel policies and procedures, may change from time to time, the “at will” nature of your employment may only be changed in an express written agreement signed by an authorized officer of the Company.

9.    Withholdings. All forms of compensation paid to you as an employee of the Company shall be less all applicable withholdings.

To indicate your acceptance of the Company’s offer, please sign and date this letter in the space provided below and return it to me, along with a signed and dated original copy of the Confidentiality Agreement and Arbitration Agreement. Employment in this new position begins immediately following the closing of the Acquisition (the “Start Date”). This letter, and the attachments thereto, supersede and replace any prior understandings or agreements, whether oral, written or implied, between you, the Company or Facebook regarding the matters described in this letter and the attachments thereto, including the Offer Letter between you and Facebook dated as of February 19, 2014. For the avoidance of doubt, you acknowledge and agree that this letter shall not constitute a rescission that triggers rights to cash payments under Schedule 5.12 to the Merger Agreement. This letter will be governed by the laws of the state in which you are employed, without regard to its conflict of laws provisions.

Very truly yours,

WhatsApp Inc.

/s/ Mark Zuckerberg

By: Mark Zuckerberg, on behalf of the Board of Directors

ACCEPTED AND AGREED:

Jan Koum

/s/ Jan Koum

Signature

October 6, 2014

Date

Attachment A: Confidential Information and Invention Assignment Agreement

Attachment B: Mutual Arbitration Agreement and Class Action Waiver

Attachment C: Form of Inducement Award

EX-31.1

EXHIBIT 31.1

CERTIFICATION OF PERIODIC REPORT UNDER SECTION 302 OF

THE SARBANES-OXLEY ACT OF 2002

I, Mark Zuckerberg, certify that:

1. I have reviewed this quarterly report on Form 10-Q of Facebook, Inc.;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c) Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d) Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5. The registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Date: October 30, 2014
	/s/ MARK ZUCKERBERG
	Mark Zuckerberg
	Chairman and Chief Executive Officer
	(Principal Executive Officer)

EX-31.2

EXHIBIT 31.2

CERTIFICATION OF PERIODIC REPORT UNDER SECTION 302 OF

THE SARBANES-OXLEY ACT OF 2002

I, David M. Wehner, certify that:

1. I have reviewed this quarterly report on Form 10-Q of Facebook, Inc.;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c) Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d) Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5. The registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Date: October 30, 2014
	/s/ DAVID M. WEHNER
	David M. Wehner
	Chief Financial Officer
	(Principal Financial Officer)

EX-32.1

EXHIBIT 32.1

CERTIFICATION PURSUANT TO

18 U.S.C. SECTION 1350

AS ADOPTED PURSUANT TO SECTION 906

OF THE SARBANES-OXLEY ACT OF 2002

I, Mark Zuckerberg, Chairman and Chief Executive Officer of Facebook, Inc. (Company), do hereby certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that to the best of my knowledge:

• the Quarterly Report on Form 10-Q of the Company for the quarter ended September 30, 2014 (Report) fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

• the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company for the periods presented therein.

Date: October 30, 2014
	/s/ MARK ZUCKERBERG
	Mark Zuckerberg
	Chairman and Chief Executive Officer
	(Principal Executive Officer)

EX-32.2

EXHIBIT 32.2

CERTIFICATION PURSUANT TO

18 U.S.C. SECTION 1350

AS ADOPTED PURSUANT TO SECTION 906

OF THE SARBANES-OXLEY ACT OF 2002

I, David M. Wehner, Chief Financial Officer of Facebook, Inc. (Company), do hereby certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that to the best of my knowledge:

• the Quarterly Report on Form 10-Q of the Company for the quarter ended September 30, 2014 (Report) fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

• the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company for the periods presented therein.

Date: October 30, 2014
	/s/ DAVID M. WEHNER
	David M. Wehner
	Chief Financial Officer
	(Principal Financial Officer)

XML

Long-term Debt - Borrowings (Details) (Revolving Credit Facility, 2013 Revolving Credit Facility, USD $)	1 Months Ended
	Aug. 31, 2013	Sep. 30, 2014
Revolving Credit Facility | 2013 Revolving Credit Facility
Debt Instrument
Term loan facility, term period	5 years
Line of credit facility, maximum borrowing capacity	$ 6,500,000,000.0
Debt instrument, interest rate during period	LIBOR
Basis spread on variable rate	1.00%
Line of credit facility, unused capacity, commitment fee percentage	0.10%
Line of credit facility, amount outstanding		$ 0

XML

Geographical Information - Property and Equipment, Net (Details) (USD $) In Millions, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Property and Equipment, Net by Geographical Area
Property and equipment, net	$ 3,703	$ 2,882
United States
Property and Equipment, Net by Geographical Area
Property and equipment, net	3,023	2,368
Sweden
Property and Equipment, Net by Geographical Area
Property and equipment, net	513	415
Rest of the World
Property and Equipment, Net by Geographical Area
Property and equipment, net	$ 167	$ 99

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Income Taxes Income Tax (Details) (USD $) In Billions, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Income Tax Disclosure [Abstract]
Unrecognized tax benefits	$ 1.51	$ 1.32
Unrecognized tax benefits that would impact effective tax rate	$ 1.03

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Cash, Cash Equivalents and Marketable Securities (Details) (USD $) In Millions, unless otherwise specified	Sep. 30, 2014 security	Dec. 31, 2013 security	Sep. 30, 2013	Dec. 31, 2012
Cash, Cash Equivalents, and Marketable Securities
Cash	$ 1,344	$ 1,044
Money market funds	7,655	2,279
Total cash and cash equivalents	8,999	3,323	3,100	2,384
Total marketable securities	5,251	8,126
Total cash, cash equivalents and marketable securities	14,250	11,449
Number of positions in a continuous loss position for 12 months or longer	0	0
US Government Securities
Cash, Cash Equivalents, and Marketable Securities
Total marketable securities	2,062	5,687
US Government Agency Securities
Cash, Cash Equivalents, and Marketable Securities
Total marketable securities	2,330	2,439
Corporate Debt Securities
Cash, Cash Equivalents, and Marketable Securities
Total marketable securities	$ 859	$ 0

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Property and Equipment (Tables)

9 Months Ended

Sep. 30, 2014

Property, Plant and Equipment [Abstract]

Property and Equipment

Property and equipment consisted of the following (in millions):

	September 30, 2014			December 31, 2013
Land	$	153		$	45
Buildings	1,347			1,071
Leasehold improvements	279			203
Network equipment	2,704			2,351
Computer software, office equipment and other	134			95
Construction in progress	702			377
Total	5,319			4,142
Less: Accumulated depreciation	(1,616		)	(1,260		)
Property and equipment, net	$	3,703		$	2,882

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Stockholders' Equity - Stock Option Activity (Details) (USD $) In Millions, except Share data in Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2014
Employee Stock Options
Number of Shares
Beginning balance (in shares)	22,102
Stock options exercised (in shares)	(5,015)
Ending balance (in shares)	17,087
Stock options vested and expected to vest as of period end (in shares)	17,071
Stock options exercisable as of period end (in shares)	13,719
Weighted Average Exercise Price
Beginning Balance (in dollars per share)	$ 3.56
Stock options exercised (in dollars per share)	$ 0.91
Ending Balance (in dollars per share)	$ 4.34
Stock options vested and expected to vest as of period end (in dollars per share)	$ 4.33
Stock options exercisable as of period end (in dollars per share)	$ 2.48
Weighted- Average Remaining Contractual Term
Balance at period end (in years)	3 years 2 months 20 days
Stock options vested and expected to vest as of period end (in years)	3 years 2 months 20 days
Stock options exercisable as of period end (in years)	2 years 6 months 22 days
Aggregate Intrinsic Value
Balance at period end	$ 1,276	[1]
Stock options vested and expected to vest as of period end	1,275	[1]
Stock options exercisable as of period end	$ 1,050	[1]
Class A Common Stock
Aggregate Intrinsic Value
Common stock, closing share price (in usd per share)	$ 79.04

[1] The aggregate intrinsic value is calculated as the difference between the exercise price of the underlying stock option awards and the closing price of our Class A common stock of $79.04 on September 30, 2014.

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Goodwill and Intangible Assets (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Dec. 31, 2013
Goodwill and Intangible Assets Disclosure
Gross Carrying Amount	$ 1,648		$ 1,648		$ 1,138
Accumulated Amortization	(391)		(391)		(255)
Net Carrying Amount	1,257		1,257		883
Indefinite-lived intangible assets	60		60		0
Total intangible assets, Gross	1,708		1,708		1,138
Total intangible assets, Net	1,317		1,317		883
Amortization expense	59	37	141	106
Goodwill
Goodwill beginning			839
Goodwill acquired			1,777
Effect of currency translation adjustment			(4)
Goodwill ending	2,612		2,612
Acquired patents
Goodwill and Intangible Assets Disclosure
Gross Carrying Amount	773		773		773
Accumulated Amortization	(215)		(215)		(142)
Net Carrying Amount	558		558		631
Acquired technology
Goodwill and Intangible Assets Disclosure
Gross Carrying Amount	518		518		227
Accumulated Amortization	(104)		(104)		(65)
Net Carrying Amount	414		414		162
Tradename and other
Goodwill and Intangible Assets Disclosure
Gross Carrying Amount	357		357		138
Accumulated Amortization	(72)		(72)		(48)
Net Carrying Amount	$ 285		$ 285		$ 90
Minimum | Acquired patents
Goodwill and Intangible Assets Disclosure
Finite-Lived Intangible Asset, Useful Life			2 years
Minimum | Acquired technology
Goodwill and Intangible Assets Disclosure
Finite-Lived Intangible Asset, Useful Life			2 years
Minimum | Tradename and other
Goodwill and Intangible Assets Disclosure
Finite-Lived Intangible Asset, Useful Life			2 years
Maximum | Acquired patents
Goodwill and Intangible Assets Disclosure
Finite-Lived Intangible Asset, Useful Life			18 years
Maximum | Acquired technology
Goodwill and Intangible Assets Disclosure
Finite-Lived Intangible Asset, Useful Life			10 years
Maximum | Tradename and other
Goodwill and Intangible Assets Disclosure
Finite-Lived Intangible Asset, Useful Life			10 years

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Geographical Information - Revenue (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended				9 Months Ended
	Sep. 30, 2014		Sep. 30, 2013		Sep. 30, 2014		Sep. 30, 2013
Revenue by Geographical Area
Revenue	$ 3,203		$ 2,016		$ 8,615		$ 5,286
United States
Revenue by Geographical Area
Revenue	1,468		940		3,857		2,438
Rest of the World
Revenue by Geographical Area
Revenue	$ 1,735	[1]	$ 1,076	[1]	$ 4,758	[1]	$ 2,848	[1]

[1] No individual country exceeded 10% of our total revenue for any period presented

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Earnings per Share

9 Months Ended

Sep. 30, 2014

Earnings Per Share [Abstract]

Earnings per Share

Earnings per Share

We compute earnings per share (EPS) of Class A and Class B common stock using the two-class method required for participating securities. We consider restricted stock awards to be participating securities because holders of such shares have non-forfeitable dividend rights in the event of our declaration of a dividend for common shares.

Undistributed earnings allocated to participating securities are subtracted from net income in determining net income attributable to common stockholders. Basic EPS is computed by dividing net income attributable to common stockholders by the weighted-average number of shares of our Class A and Class B common stock outstanding, adjusted for outstanding shares that are subject to repurchase.

For the calculation of diluted EPS, net income attributable to common stockholders for basic EPS is adjusted by the effect of dilutive securities, including awards under our equity compensation plans. In addition, the computation of the diluted EPS of Class A common stock assumes the conversion of our Class B common stock to Class A common stock, while the diluted EPS of Class B common stock does not assume the conversion of those shares to Class A common stock. Diluted EPS attributable to common stockholders is computed by dividing the resulting net income attributable to common stockholders by the weighted-average number of fully diluted common shares outstanding. Basic and dilutive securities in our basic and diluted EPS calculation for the three and nine months ended September 30, 2014 do not include contingent earn-out shares resulting from our acquisition of Oculus. Issuance of these earn-out shares is dependent upon the completion of certain milestones. These milestones were not met as of September 30, 2014 and accordingly, these shares are excluded from the effect of basic and dilutive securities.

We have also excluded 15 million restricted stock units (RSUs) from the EPS calculation for the nine months ended September 30, 2013 because the impact would be anti-dilutive. Shares excluded from the calculation were not material for the three and nine months ended September 30, 2014 and the three months ended September 30, 2013.

Basic and diluted EPS are the same for each class of common stock because they are entitled to the same liquidation and dividend rights.

The numerators and denominators of the basic and diluted EPS computations for our common stock were calculated as follows (in millions, except per share amounts):

	Three Months Ended September 30,								Nine Months Ended September 30,
	2014				2013				2014				2013
	Class A		Class B		Class A		Class B		Class A		Class B		Class A		Class B
Basic EPS:
Numerator
Net income	$	632	$	174	$	320	$	105	$	1,747	$	492	$	717	$	260
Less: Net income attributable to participating securities	3		1		2		1		8		2		4		2
Net income attributable to common stockholders	$	629	$	173	$	318	$	104	$	1,739	$	490	$	713	$	258
Denominator
Weighted average shares outstanding	2,032		567		1,833		611		2,006		570		1,773		649
Less: Shares subject to repurchase	4		8		6		8		5		6		5		9
Number of shares used for basic EPS computation	2,028		559		1,827		603		2,001		564		1,768		640
Basic EPS	$	0.31	$	0.31	$	0.17	$	0.17	$	0.87	$	0.87	$	0.40	$	0.40
Diluted EPS:
Numerator
Net income attributable to common stockholders	$	629	$	173	$	318	$	104	$	1,739	$	490	$	713	$	258
Reallocation of net income attributable to participating securities	4		—		3		—		10		—		6		—
Reallocation of net income as a result of conversion of Class B to Class A common stock	173		—		104		—		490		—		258		—
Reallocation of net income to Class B common stock	—		7		—		13		—		18		—		29
Net income attributable to common stockholders for diluted EPS	$	806	$	180	$	425	$	117	$	2,239	$	508	$	977	$	287
Denominator
Number of shares used for basic EPS computation	2,028		559		1,827		603		2,001		564		1,768		640
Conversion of Class B to Class A common stock	559		—		603		—		564		—		640		—
Weighted average effect of dilutive securities:
Employee stock options	13		13		59		59		13		13		69		69
RSUs	36		14		33		33		32		13		21		21
Shares subject to repurchase	8		5		6		6		6		3		6		6
Number of shares used for diluted EPS computation	2,644		591		2,528		701		2,616		593		2,504		736
Diluted EPS	$	0.30	$	0.30	$	0.17	$	0.17	$	0.86	$	0.86	$	0.39	$	0.39

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Stockholders' Equity - Stock Options Additional Disclosures (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Equity [Abstract]
Aggregate intrinsic value of the options exercised	$ 117	$ 586	$ 321	$ 1,170

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Subsequent Event (Tables) (WhatsApp)

9 Months Ended

Sep. 30, 2014

WhatsApp

Business Acquisition [Line Items]

Schedule of the Components of Consideration Transferred

The following table summarizes the components of the preliminary purchase consideration transferred based on the closing price of $77.56 per share of our Class A common stock on the acquisition close date (in millions):

Cash	$	4,589
Common stock	13,787
Less: post-acquisition share-based compensation and other compensation expense	(1,067		)
Less: cash and promissory notes acquired on acquisition date	(116		)
Purchase consideration	$	17,193

Schedule of Business Acquisitions, Assets Acquired and Liabilities Assumed

The following table summarizes the preliminary allocation of the assets acquired and liabilities assumed based on their fair values as of the acquisition date and related estimated useful lives of the finite-lived intangible assets acquired (in millions, except estimated useful life):

				Estimated useful life (in years)
Finite-lived intangible assets:
Acquired users	$	2,026		7 years
Tradename	448			5 years
Acquired technology	288			5 years
Other	21			2 years
Net liabilities assumed	(33		)
Deferred tax liabilities	(916		)
Net assets acquired	$	1,834
Goodwill	15,359
	$	17,193

Business Acquisition, Pro Forma Information

The unaudited pro forma results do not reflect any cost saving synergies from operating efficiencies or the effect of the incremental costs incurred in integrating the two companies. Accordingly, these unaudited pro forma results are presented for informational purpose only and are not necessarily indicative of what the actual results of operations of the combined company would have been if the acquisition had occurred at the beginning of the period presented, nor are they indicative of future results of operations (in millions):

	Three Months Ended September 30,				Nine Months Ended September 30,
	2014		2013		2014		2013
Revenue	$	3,210	$	2,019	$	8,637	$	5,292
Net income (loss)	$	526	$	136	$	1,289	$	(106	)

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Geographical Information (Tables)

9 Months Ended

Sep. 30, 2014

Segment Reporting [Abstract]

Revenue and Property and Equipment by Geographic Area

Revenue by geography is based on the billing address of the marketer or developer. The following tables set forth revenue and property and equipment, net by geographic area (in millions):

	Three Months Ended September 30,				Nine Months Ended September 30,
	2014		2013		2014		2013
Revenue:
United States	$	1,468	$	940	$	3,857	$	2,438
Rest of the world (1)	1,735		1,076		4,758		2,848
Total revenue	$	3,203	$	2,016	$	8,615	$	5,286

(1) No individual country exceeded 10% of our total revenue for any period presented.

	September 30, 2014		December 31, 2013
Property and equipment, net:
United States	$	3,023	$	2,368
Sweden	513		415
Rest of the world	167		99
Total property and equipment, net	$	3,703	$	2,882

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Stockholders' Equity - Restricted Stock Units (Details) (Restricted Stock Units (RSUs), USD $) In Thousands, except Per Share data, unless otherwise specified	9 Months Ended
	Sep. 30, 2014
Restricted Stock Units (RSUs)
Number of Shares
Unvested at beginning of period (in shares)	103,971
Granted (in shares)	33,844
Vested (in shares)	(33,450)
Forfeited (in shares)	(7,948)
Unvested at end of period (in shares)	96,417
Weighted Average Grant Date Fair Value
Unvested at beginning of period (in dollars per share)	$ 27.30
Granted (in dollars per share)	$ 70.04
Vested (in dollars per share)	$ 24.77
Forfeited (in dollars per share)	$ 33.87
Unvested at end of period (in dollars per share)	$ 42.64

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Acquisitions (Details) (USD $) In Millions, except Share data, unless otherwise specified				1 Months Ended	9 Months Ended	1 Months Ended	9 Months Ended				9 Months Ended						9 Months Ended
	Sep. 30, 2014	Jul. 31, 2014	Dec. 31, 2013	Jul. 31, 2014 Oculus	Sep. 30, 2014 Oculus	Jul. 31, 2014 Oculus Class B Common Stock	Sep. 30, 2014 Oculus Acquired Technology	Jul. 31, 2014 Oculus Acquired Technology	Jul. 31, 2014 Oculus Tradename and Other	Jul. 31, 2014 Oculus In Process Research and Development	Sep. 30, 2014 Oculus Minimum Tradename and Other	Sep. 30, 2014 Oculus Maximum Tradename and Other	Sep. 30, 2014 Other Current Period Acquisition	Sep. 30, 2014 Other Current Period Acquisition Acquired Technology	Sep. 30, 2014 Other Current Period Acquisition Tradename and Other	Sep. 30, 2014 Other Current Period Acquisition In Process Research and Development	Sep. 30, 2014 Other Current Period Acquisition Minimum Acquired Technology	Sep. 30, 2014 Other Current Period Acquisition Minimum Tradename and Other	Sep. 30, 2014 Other Current Period Acquisition Maximum Acquired Technology	Sep. 30, 2014 Other Current Period Acquisition Maximum Tradename and Other	Jul. 31, 2014 Cash Oculus
Business Acquisition [Line Items]
Business Acquisition, number of shares issued						23,000,000
Payments to acquire business				$ 400
Contingent liability, shares issuable (in shares)						3,000,000
Contingent liability		169		169																	60
Business Combination, Consideration Transferred [Abstract]
Cash				400
Common stock				1,601
Less: post-acquisition share-based compensation and other compensation expense				(297)
Less: cash and promissory notes acquired on acquisition date				(20)
Total purchase consideration, excluding contingent consideration				1,684
Contingent consideration		169		169																	60
Purchase consideration				1,853
Share-based compensation recognized				13
Deferred compensation expense to be recognized					284
Deferred compensation, Requisite service period					4 years
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net [Abstract]
Finite and Indefinite-lived intangible assets:								235	132	60				62	87	0
Finite-lived intangible asset, Useful life							5 years				2 years	7 years					3 years	3 years	5 years	5 years
Net assets acquired				0									104
Deferred tax liabilities				(107)									(41)
Net assets acquired				320									212
Goodwill	2,612		839	1,533									244
Total fair value				$ 1,853									$ 456

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Earnings per Share - Antidilutive Securities (Details) (Restricted Stock Units (RSUs)) In Millions, unless otherwise specified	9 Months Ended
	Sep. 30, 2013
Restricted Stock Units (RSUs)
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of earnings per share	15

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Acquisitions

9 Months Ended

Sep. 30, 2014

Business Combinations [Abstract]

Acquisitions

Acquisitions

In July 2014, we completed our acquisition of Oculus VR, Inc. (Oculus), a privately-held company developing virtual reality technology that is expected to expand our platform. Pursuant to the merger agreement, we issued 23 million shares of our Class B common stock and paid $400 million in cash. Furthermore, up to an additional three million shares of our Class B common stock and $60 million in cash will be payable contingent upon the completion of certain milestones. We determined the acquisition-date fair value of the contingent consideration liability, based on the likelihood of payment related to the contingent earn-out clauses, as part of the consideration transferred. For contingent consideration to be settled in common stock, we use the fair value of the shares as of the acquisition date, which is remeasured on each reporting date until settlement. See Note 5 “Fair Value Measurements" for subsequent measurements of this contingent liability. The earn-out portion that would be payable to employee equityholders is subject to continuous employment through the applicable payment dates and as such has been excluded from purchase consideration transferred and accounted for as share-based compensation and other compensation expense.

We have accounted for this acquisition as a business combination. This method requires, among other things, that assets acquired and liabilities assumed in a business combination be recognized at their fair values as of the acquisition date and that in-process research and development (IPR&D) be recorded at fair value on the balance sheet regardless of the likelihood of success of the related product or technology.

The following table summarizes the components of the purchase consideration transferred based on the closing price of our common stock as of the acquisition date (in millions):

Cash	$	400
Common stock	1,601
Less: post-acquisition share-based compensation and other compensation expense	(297		)
Less: cash acquired on acquisition date	(20		)
Total purchase consideration, excluding contingent consideration	$	1,684
Contingent consideration	169
Purchase consideration	$	1,853

Of the $297 million of share-based compensation and other compensation expense excluded from the purchase consideration above, approximately $13 million was recognized as share-based compensation at closing as a result of the vesting provisions of employee replacement awards on the acquisition date. The remaining $284 million is subject to continuous employment and will be recognized as share-based compensation and other compensation expense over the required service period of four years.

The fair value of assets acquired and liabilities assumed from our acquisition of Oculus was based on a preliminary valuation and our estimates and assumptions are subject to change within the measurement period. The primary areas of the purchase price that are not yet finalized are related to income taxes and residual goodwill. Measurement period adjustments that we determine to be material will be applied retrospectively to the period of acquisition in our condensed consolidated financial statements and, depending on the nature of the adjustments, other periods subsequent to the period of acquisition could also be affected.

In the nine months ended September 30, 2014, we also completed other business acquisitions for total cash consideration of $456 million. These acquisitions were not material to our condensed consolidated financial statements either individually or in the aggregate. We have included the financial results of Oculus and the other business acquisitions, which are not material, in our condensed consolidated financial statements from their respective dates of acquisition. Pro forma historical results of operations related to our acquisitions of Oculus and the other business acquisitions during the nine months ended September 30, 2014 have not been presented because they are not material to our condensed consolidated statements of income, either individually or in the aggregate.

The following table summarizes the allocation of the fair values of the assets acquired and liabilities assumed, including those items that are still preliminary, and the related useful lives, where applicable:

	Oculus				Other
	(in millions)			Useful lives (in years)	(in millions)			Useful lives (in years)
Finite-lived intangible assets:
Acquired technology	$	235		5	$	62		3 - 5
Tradename and other	132			2 - 7	87			3 - 5
IPR&D intangible assets	60				—
Net assets acquired	—				104
Deferred tax liabilities	(107		)		(41		)
Net assets acquired	$	320			$	212
Goodwill	1,533				244
Total fair value	$	1,853			$	456

IPR&D intangible assets represent the value assigned to acquired research and development projects that, as of the acquisition date had not established technological feasibility and had no alternative future use. The IPR&D intangible assets are capitalized and accounted for as indefinite-lived intangible assets and will be subject to impairment testing until completion or abandonment of the projects. Upon successful completion of each project and launch of the product, we will make a separate determination of useful life of the IPR&D intangible assets and the related amortization will be recorded as an expense over the estimated useful life of the specific projects.

Goodwill generated from all business acquisitions completed during the nine months ended September 30, 2014 is primarily attributable to expected synergies from future growth, from potential monetization opportunities and, also for Oculus, as a potential to expand our platform. All goodwill generated during this period is not deductible for tax purposes.

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Earnings per Share (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Numerator
Net income	$ 806	$ 425	$ 2,239	$ 977
Less: Net income attributable to participating securities	4	3	10	6
Net income attributable to Class A and Class B common stockholders	802	422	2,229	971
Denominator
Number of shares used for basic EPS computation (in shares)	2,587	2,430	2,565	2,408
Basic EPS (in dollars per share)	$ 0.31	$ 0.17	$ 0.87	$ 0.40
Numerator
Net income attributable to common stockholders	802	422	2,229	971
Denominator
Number of shares used for basic EPS computation (in shares)	2,587	2,430	2,565	2,408
Number of shares used for diluted EPS computation (in shares)	2,644	2,528	2,616	2,504
Diluted EPS (in dollars per share)	$ 0.30	$ 0.17	$ 0.86	$ 0.39
Class A Common Stock
Numerator
Net income	632	320	1,747	717
Less: Net income attributable to participating securities	3	2	8	4
Net income attributable to Class A and Class B common stockholders	629	318	1,739	713
Denominator
Weighted average shares outstanding (in shares)	2,032	1,833	2,006	1,773
Less: Shares subject to repurchase (in shares)	4	6	5	5
Number of shares used for basic EPS computation (in shares)	2,028	1,827	2,001	1,768
Basic EPS (in dollars per share)	$ 0.31	$ 0.17	$ 0.87	$ 0.40
Numerator
Net income attributable to common stockholders	629	318	1,739	713
Reallocation of net income attributable to participating securities	4	3	10	6
Reallocation of net income as a result of conversion of Class B to Class A common stock	173	104	490	258
Reallocation of net income to Class B common stock	0	0	0	0
Net income attributable to common stockholders for diluted EPS	806	425	2,239	977
Denominator
Number of shares used for basic EPS computation (in shares)	2,028	1,827	2,001	1,768
Conversion of Class B to Class A common stock (in shares)	559	603	564	640
Shares subject to repurchase (in shares)	8	6	6	6
Number of shares used for diluted EPS computation (in shares)	2,644	2,528	2,616	2,504
Diluted EPS (in dollars per share)	$ 0.30	$ 0.17	$ 0.86	$ 0.39
Class A Common Stock | Employee Stock Options
Denominator
Share based payment arrangements (in shares)	13	59	13	69
Class A Common Stock | Restricted Stock Units (RSUs)
Denominator
Share based payment arrangements (in shares)	36	33	32	21
Class B Common Stock
Numerator
Net income	174	105	492	260
Less: Net income attributable to participating securities	1	1	2	2
Net income attributable to Class A and Class B common stockholders	173	104	490	258
Denominator
Weighted average shares outstanding (in shares)	567	611	570	649
Less: Shares subject to repurchase (in shares)	8	8	6	9
Number of shares used for basic EPS computation (in shares)	559	603	564	640
Basic EPS (in dollars per share)	$ 0.31	$ 0.17	$ 0.87	$ 0.40
Numerator
Net income attributable to common stockholders	173	104	490	258
Reallocation of net income attributable to participating securities	0	0	0	0
Reallocation of net income as a result of conversion of Class B to Class A common stock	0	0	0	0
Reallocation of net income to Class B common stock	7	13	18	29
Net income attributable to common stockholders for diluted EPS	$ 180	$ 117	$ 508	$ 287
Denominator
Number of shares used for basic EPS computation (in shares)	559	603	564	640
Conversion of Class B to Class A common stock (in shares)	0	0	0	0
Shares subject to repurchase (in shares)	5	6	3	6
Number of shares used for diluted EPS computation (in shares)	591	701	593	736
Diluted EPS (in dollars per share)	$ 0.30	$ 0.17	$ 0.86	$ 0.39
Class B Common Stock | Employee Stock Options
Denominator
Share based payment arrangements (in shares)	13	59	13	69
Class B Common Stock | Restricted Stock Units (RSUs)
Denominator
Share based payment arrangements (in shares)	14	33	13	21

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Commitments and Contingencies (Details) (USD $) In Millions, unless otherwise specified	1 Months Ended	3 Months Ended		9 Months Ended
	Apr. 30, 2014	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Leases [Abstract]
Capital lease agreement period				3 years
Operating lease expense		$ 31	$ 28	$ 94	$ 101
Contractual obligation	$ 140
Contractual obligation, period	10 years
Minimum
Leases [Abstract]
Interest rate		1.00%		1.00%
Expiration date of lease				2014
Maximum
Leases [Abstract]
Interest rate		13.00%		13.00%
Expiration date of lease				2029
Buildings
Leases [Abstract]
Capital lease agreement period				15 years

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CONDENSED CONSOLIDATED BALANCE SHEETS (UNAUDITED) (USD $) In Millions, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Current assets:
Cash and cash equivalents	$ 8,999	$ 3,323
Marketable securities	5,251	8,126
Accounts receivable, net of allowances for doubtful accounts of $35 and $38 as of September 30, 2014 and December 31, 2013, respectively	1,363	1,109
Prepaid expenses and other current assets	502	512
Total current assets	16,115	13,070
Property and equipment, net	3,703	2,882
Intangible assets, net	1,317	883
Goodwill	2,612	839
Other assets	441	221
Total assets	24,188	17,895
Current liabilities:
Accounts payable	120	87
Partners payable	208	181
Accrued expenses and other current liabilities	709	555
Deferred revenue and deposits	48	38
Current portion of capital lease obligations	149	239
Total current liabilities	1,234	1,100
Capital lease obligations, less current portion	129	237
Other liabilities	1,587	1,088
Total liabilities	2,950	2,425
Stockholders' equity:
Common stock, $0.000006 par value; 5,000 million Class A shares authorized, 2,044 million and 1,970 million shares issued and outstanding, including 4 million and 6 million outstanding shares subject to repurchase, as of September 30, 2014 and December 31, 2013, respectively; 4,141 million Class B shares authorized, 564 million and 577 million shares issued and outstanding, including 8 million and 6 million outstanding shares subject to repurchase, as of September 30, 2014 and December 31, 2013 respective	0	0
Additional paid-in capital	15,949	12,297
Accumulated other comprehensive (loss) income	(109)	14
Retained earnings	5,398	3,159
Total stockholders' equity	21,238	15,470
Total liabilities and stockholders' equity	$ 24,188	$ 17,895

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Stockholders' Equity - Additional Award Disclosures (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Share-based Compensation Arrangement by Share-based Payment Award
Future period share-based compensation expense	$ 4,170		$ 4,170
Future period share-based compensation expense period of recognition (in years)			3 years
Restricted Stock Units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award
Fair value of vested RSUs	652	326	2,190	1,150
Future period share-based compensation expense	3,710		3,710
Other Awards
Share-based Compensation Arrangement by Share-based Payment Award
Future period share-based compensation expense	$ 464		$ 464

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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) (USD $) In Millions, unless otherwise specified	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013
Cash flows from operating activities
Net income	$ 2,239	$ 977
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	810	737
Lease abandonment	(31)	108
Share-based compensation	941	633
Deferred income taxes	(30)	21
Tax benefit from share-based award activity	1,354	277
Excess tax benefit from share-based award activity	(1,365)	(285)
Other	5	39
Changes in assets and liabilities:
Accounts receivable	(264)	(145)
Prepaid expenses and other current assets	(45)	433
Other assets	(158)	(35)
Accounts payable	12	(17)
Partners payable	(22)	2
Accrued expenses and other current liabilities	198	(105)
Deferred revenue and deposits	3	6
Other liabilities	227	345
Net cash provided by operating activities	3,874	2,991
Cash flows from investing activities
Purchases of property and equipment	(1,314)	(879)
Purchases of marketable securities	(6,215)	(4,364)
Sales of marketable securities	7,391	2,433
Maturities of marketable securities	1,710	2,954
Acquisitions of businesses, net of cash acquired, and purchases of intangible assets	(754)	(237)
Change in restricted cash and deposits	(113)	4
Other investing activities, net	(2)	(1)
Net cash provided by (used in) investing activities	703	(90)
Cash flows from financing activities
Taxes paid related to net share settlement of equity awards	(3)	(706)
Proceeds from exercise of stock options	7	20
Repayment of long-term debt	0	(1,500)
Principal payments on capital lease obligations	(199)	(291)
Excess tax benefit from share-based award activity	1,365	285
Net cash provided by (used in) financing activities	1,170	(2,192)
Effect of exchange rate changes on cash and cash equivalents	(71)	7
Net increase in cash and cash equivalents	5,676	716
Cash and cash equivalents at beginning of period	3,323	2,384
Cash and cash equivalents at end of period	8,999	3,100
Cash paid during the period for:
Interest	11	33
Income taxes	107	61
Cash received during the period for:
Income taxes	6	419
Non-cash investing and financing activities:
Fair value of shares issued related to acquisitions of businesses	1,368	77
Net change in accounts payable and accrued expenses and other current liabilities related to property and equipment additions
Non-cash investing and financing activities:
Property and equipment expenditures incurred but not yet paid	38	31
Property and equipment acquired under capital leases
Non-cash investing and financing activities:
Property and equipment expenditures incurred but not yet paid	$ 0	$ 11

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Fair Value Measurements (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2014	Jul. 31, 2014	Dec. 31, 2013
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Marketable securities	$ 5,251	$ 5,251		$ 8,126
Contingent liability			169
Change in value of contingent consideration liability	23	23
Fair Value, Measurements, Recurring | Estimate of Fair Value, Fair Value Disclosure
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Total cash equivalents and marketable securities	12,906	12,906		10,405
Contingent liability	192	192
Fair Value, Measurements, Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Total cash equivalents and marketable securities	12,047	12,047		10,405
Contingent liability	0	0
Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Total cash equivalents and marketable securities	859	859		0
Contingent liability	0	0
Fair Value, Measurements, Recurring | Significant Unobservable Inputs (Level 3)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Total cash equivalents and marketable securities	0	0		0
Contingent liability	192	192
US Government Securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Marketable securities	2,062	2,062		5,687
US Government Securities | Fair Value, Measurements, Recurring | Estimate of Fair Value, Fair Value Disclosure
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Marketable securities	2,062	2,062		5,687
US Government Securities | Fair Value, Measurements, Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Marketable securities	2,062	2,062		5,687
US Government Securities | Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Marketable securities	0	0		0
US Government Securities | Fair Value, Measurements, Recurring | Significant Unobservable Inputs (Level 3)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Marketable securities	0	0		0
US Government Agency Securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Marketable securities	2,330	2,330		2,439
US Government Agency Securities | Fair Value, Measurements, Recurring | Estimate of Fair Value, Fair Value Disclosure
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Marketable securities	2,330	2,330		2,439
US Government Agency Securities | Fair Value, Measurements, Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Marketable securities	2,330	2,330		2,439
US Government Agency Securities | Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Marketable securities	0	0		0
US Government Agency Securities | Fair Value, Measurements, Recurring | Significant Unobservable Inputs (Level 3)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Marketable securities	0	0		0
Corporate Debt Securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Marketable securities	859	859		0
Corporate Debt Securities | Fair Value, Measurements, Recurring | Estimate of Fair Value, Fair Value Disclosure
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Marketable securities	859	859
Corporate Debt Securities | Fair Value, Measurements, Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Marketable securities	0	0
Corporate Debt Securities | Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Marketable securities	859	859
Corporate Debt Securities | Fair Value, Measurements, Recurring | Significant Unobservable Inputs (Level 3)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Marketable securities	0	0
Money Market Funds | Fair Value, Measurements, Recurring | Estimate of Fair Value, Fair Value Disclosure
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Cash equivalents	7,655	7,655		2,279
Money Market Funds | Fair Value, Measurements, Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Cash equivalents	7,655	7,655		2,279
Money Market Funds | Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Cash equivalents	0	0		0
Money Market Funds | Fair Value, Measurements, Recurring | Significant Unobservable Inputs (Level 3)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Cash equivalents	$ 0	$ 0		$ 0

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Earnings per Share (Tables)

9 Months Ended

Sep. 30, 2014

Earnings Per Share [Abstract]

Numerators and Denominators of Basic and Diluted EPS Computations for Common Stock

The numerators and denominators of the basic and diluted EPS computations for our common stock were calculated as follows (in millions, except per share amounts):

	Three Months Ended September 30,								Nine Months Ended September 30,
	2014				2013				2014				2013
	Class A		Class B		Class A		Class B		Class A		Class B		Class A		Class B
Basic EPS:
Numerator
Net income	$	632	$	174	$	320	$	105	$	1,747	$	492	$	717	$	260
Less: Net income attributable to participating securities	3		1		2		1		8		2		4		2
Net income attributable to common stockholders	$	629	$	173	$	318	$	104	$	1,739	$	490	$	713	$	258
Denominator
Weighted average shares outstanding	2,032		567		1,833		611		2,006		570		1,773		649
Less: Shares subject to repurchase	4		8		6		8		5		6		5		9
Number of shares used for basic EPS computation	2,028		559		1,827		603		2,001		564		1,768		640
Basic EPS	$	0.31	$	0.31	$	0.17	$	0.17	$	0.87	$	0.87	$	0.40	$	0.40
Diluted EPS:
Numerator
Net income attributable to common stockholders	$	629	$	173	$	318	$	104	$	1,739	$	490	$	713	$	258
Reallocation of net income attributable to participating securities	4		—		3		—		10		—		6		—
Reallocation of net income as a result of conversion of Class B to Class A common stock	173		—		104		—		490		—		258		—
Reallocation of net income to Class B common stock	—		7		—		13		—		18		—		29
Net income attributable to common stockholders for diluted EPS	$	806	$	180	$	425	$	117	$	2,239	$	508	$	977	$	287
Denominator
Number of shares used for basic EPS computation	2,028		559		1,827		603		2,001		564		1,768		640
Conversion of Class B to Class A common stock	559		—		603		—		564		—		640		—
Weighted average effect of dilutive securities:
Employee stock options	13		13		59		59		13		13		69		69
RSUs	36		14		33		33		32		13		21		21
Shares subject to repurchase	8		5		6		6		6		3		6		6
Number of shares used for diluted EPS computation	2,644		591		2,528		701		2,616		593		2,504		736
Diluted EPS	$	0.30	$	0.30	$	0.17	$	0.17	$	0.86	$	0.86	$	0.39	$	0.39

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Property and Equipment (Detail) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Dec. 31, 2013
Property, Plant and Equipment
Property and equipment, gross	$ 5,319,000,000		$ 5,319,000,000	$ 4,142,000,000
Less: Accumulated depreciation	(1,616,000,000)		(1,616,000,000)	(1,260,000,000)
Property and equipment, net	3,703,000,000		3,703,000,000	2,882,000,000
Interest costs capitalized	0	0	0
Land
Property, Plant and Equipment
Property and equipment, gross	153,000,000		153,000,000	45,000,000
Buildings
Property, Plant and Equipment
Property and equipment, gross	1,347,000,000		1,347,000,000	1,071,000,000
Leasehold improvements
Property, Plant and Equipment
Property and equipment, gross	279,000,000		279,000,000	203,000,000
Network Equipment
Property, Plant and Equipment
Property and equipment, gross	2,704,000,000		2,704,000,000	2,351,000,000
Computer software, office equipment and other
Property, Plant and Equipment
Property and equipment, gross	134,000,000		134,000,000	95,000,000
Construction in progress
Property, Plant and Equipment
Property and equipment, gross	$ 702,000,000		$ 702,000,000	$ 377,000,000

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Fair Value Measurements (Tables)

9 Months Ended

Sep. 30, 2014

Fair Value Disclosures [Abstract]

Assets and Liabilities Measured at Fair Value on a Recurring Basis

Assets and liabilities measured at fair value on a recurring basis are summarized below (in millions):

			Fair Value Measurement at Reporting Date Using
Description	September 30, 2014		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Cash equivalents:
Money market funds	$	7,655	$	7,655	$	—	$	—
Marketable securities:
U.S. government securities	2,062		2,062		—		—
U.S. government agency securities	2,330		2,330		—		—
Corporate debt securities	859		—		859		—
Total cash equivalents and marketable securities	$	12,906	$	12,047	$	859	$	—
Other liabilities:
Contingent consideration liability	$	192	$	—	$	—	$	192

			Fair Value Measurement at Reporting Date Using
Description	December 31, 2013		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Cash equivalents:
Money market funds	$	2,279	$	2,279	$	—	$	—
Marketable securities:
U.S. government securities	5,687		5,687		—		—
U.S. government agency securities	2,439		2,439		—		—
Total cash equivalents and marketable securities	$	10,405	$	10,405	$	—	$	—

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Summary of Significant Accounting Policies

9 Months Ended

Sep. 30, 2014

Accounting Policies [Abstract]

Summary of Significant Accounting Policies

Summary of Significant Accounting Policies

Basis of Presentation

The accompanying unaudited condensed consolidated financial statements have been prepared in accordance with generally accepted accounting principles in the United States (GAAP) and applicable rules and regulations of the Securities and Exchange Commission regarding interim financial reporting. Certain information and note disclosures normally included in the financial statements prepared in accordance with GAAP have been condensed or omitted pursuant to such rules and regulations. As such, the information included in this quarterly report on Form 10-Q should be read in conjunction with the consolidated financial statements and accompanying notes included in our Annual Report on Form 10-K for the fiscal year ended December 31, 2013.

The condensed consolidated balance sheet as of December 31, 2013 included herein was derived from the audited financial statements as of that date, but does not include all disclosures including notes required by GAAP.

The condensed consolidated financial statements include the accounts of Facebook, Inc. and its wholly owned subsidiaries. All intercompany balances and transactions have been eliminated.

The accompanying condensed consolidated financial statements reflect all normal recurring adjustments necessary to present fairly the financial position, results of operations, and cash flows for the interim periods, but are not necessarily indicative of the results of operations to be anticipated for the full year ending December 31, 2014.

There have been no changes to our significant accounting policies described in our Annual Report on Form 10-K for the fiscal year ended December 31, 2013 that have had a material impact on our condensed consolidated financial statements and related notes.

Use of Estimates

Conformity with GAAP requires the use of estimates and judgments that affect the reported amounts in the condensed consolidated financial statements and accompanying notes. These estimates form the basis for judgments we make about the carrying values of our assets and liabilities, which are not readily apparent from other sources. We base our estimates and judgments on historical information and on various other assumptions that we believe are reasonable under the circumstances. GAAP requires us to make estimates and judgments in several areas, including, but not limited to, those related to revenue recognition, collectability of accounts receivable, contingent liabilities, fair value of financial instruments, fair value of acquired intangible assets and goodwill, useful lives of intangible assets and property and equipment, and income taxes. These estimates are based on management's knowledge about current events and expectations about actions we may undertake in the future. Actual results could differ materially from those estimates.

Recent Accounting Pronouncements

 In May 2014, the Financial Accounting Standards Board issued guidance related to revenue from contracts with customers. Under this guidance, revenue is recognized when promised goods or services are transferred to customers in an amount that reflects the consideration that is expected to be received for those goods or services. The updated standard will replace most existing revenue recognition guidance under GAAP when it becomes effective and permits the use of either the retrospective or cumulative effect transition method. Early adoption is not permitted. The updated standard will be effective for us in the first quarter of 2017. We have not yet selected a transition method and we are currently evaluating the effect that the updated standard will have on our consolidated financial statements and related disclosures.

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CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $) In Millions, except Share data, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Current assets:
Accounts receivable, allowances for doubtful accounts	$ 35	$ 38
Stockholders' equity:
Common stock, par value (in dollars per share)	$ 0.000006	$ 0.000006
Class A Common Stock
Stockholders' equity:
Common stock, shares authorized	5,000,000,000	5,000,000,000
Common stock, shares issued	2,044,000,000	1,970,000,000
Common stock, shares outstanding	2,044,000,000	1,970,000,000
Common stock, outstanding shares subject to repurchase	4,000,000	6,000,000
Class B Common Stock
Stockholders' equity:
Common stock, shares authorized	4,141,000,000	4,141,000,000
Common stock, shares issued	564,000,000	577,000,000
Common stock, shares outstanding	564,000,000	577,000,000
Common stock, outstanding shares subject to repurchase	8,000,000	6,000,000

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Income Taxes

9 Months Ended

Sep. 30, 2014

Income Tax Disclosure [Abstract]

Income Taxes

Income Taxes

Our tax provision for interim periods is determined using an estimate of our annual effective tax rate, adjusted for discrete items arising in that quarter. In each quarter we update our estimate of the annual effective tax rate, and if our estimated annual tax rate changes, we make a cumulative adjustment in that quarter. Our quarterly tax provision, and our quarterly estimate of our annual effective tax rate, are subject to significant volatility due to several factors, including our ability to accurately predict our income (loss) before provision for income taxes in multiple jurisdictions, including the portions of our share-based compensation that will not generate tax benefits, and the effects of acquisitions and the integration of those acquisitions. In addition, our effective tax rate can be more or less volatile based on the amount of income before provision for income taxes.

Our effective tax rate has exceeded the U.S. statutory rate primarily because of the effect of non-deductible share-based compensation and the impact of acquiring intellectual property and integrating it into our business. Our effective tax rate in the future will depend on the portion of our profits earned within and outside the United States, which will also be affected by our methodologies for valuing our intellectual property and intercompany transactions.

We are subject to taxation in the United States and various other state and foreign jurisdictions. The material jurisdictions in which we are subject to potential examination include the United States and Ireland. We are under examination by the Internal Revenue Service (IRS) for our 2008, 2009 and 2010 tax years. We believe that adequate amounts have been reserved for any adjustments that may ultimately result from these examinations, and we do not anticipate a significant impact to our gross unrecognized tax benefits within the next 12 months related to these years. Our 2011 and subsequent tax years remain subject to potential examination by the IRS and all tax years starting in 2008 remain subject to potential examination in Ireland. We remain subject to possible examinations or are undergoing audits in various other jurisdictions that are not anticipated to be material to our financial statements.

Our gross unrecognized tax benefits were $1.51 billion and $1.32 billion as of September 30, 2014 and December 31, 2013, respectively. If the gross unrecognized tax benefits as of September 30, 2014 were realized in a future period, this would result in a tax benefit of $1.03 billion within our provision of income taxes at such time. Our existing tax positions will continue to generate an increase in unrecognized tax benefits in future periods. 

Although the timing of the resolution, settlement, and closure of any audit is highly uncertain, it is reasonably possible that the balance of gross unrecognized tax benefits could significantly change in the next 12 months. However, given the number of years remaining that are subject to examination, we are unable to estimate the full range of possible adjustments to the balance of gross unrecognized tax benefits.

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Document and Entity Information	9 Months Ended
	Sep. 30, 2014	Oct. 27, 2014 Class A Common Stock	Oct. 27, 2014 Class B Common Stock
Document Information
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Sep. 30, 2014
Document Fiscal Year Focus	2014
Document Fiscal Period Focus	Q3
Trading Symbol	FB
Entity Registrant Name	FACEBOOK INC
Entity Central Index Key	0001326801
Current Fiscal Year End Date	--12-31
Entity Filer Category	Large Accelerated Filer
Entity Common Stock, Shares Outstanding		2,223,936,268	563,911,667

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Geographical Information

9 Months Ended

Sep. 30, 2014

Segment Reporting [Abstract]

Geographical Information

Geographical Information

Revenue by geography is based on the billing address of the marketer or developer. The following tables set forth revenue and property and equipment, net by geographic area (in millions):

	Three Months Ended September 30,				Nine Months Ended September 30,
	2014		2013		2014		2013
Revenue:
United States	$	1,468	$	940	$	3,857	$	2,438
Rest of the world (1)	1,735		1,076		4,758		2,848
Total revenue	$	3,203	$	2,016	$	8,615	$	5,286

(1) No individual country exceeded 10% of our total revenue for any period presented.

	September 30, 2014		December 31, 2013
Property and equipment, net:
United States	$	3,023	$	2,368
Sweden	513		415
Rest of the world	167		99
Total property and equipment, net	$	3,703	$	2,882

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CONDENSED CONSOLIDATED STATEMENTS OF INCOME (UNAUDITED) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Revenue	$ 3,203	$ 2,016	$ 8,615	$ 5,286
Costs and expenses:
Cost of revenue	565	507	1,501	1,384
Research and development	608	369	1,555	1,006
Marketing and sales	374	233	1,055	704
General and administrative	259	171	643	520
Total costs and expenses	1,806	1,280	4,754	3,614
Income from operations	1,397	736	3,861	1,672
Interest and other income/(expense), net	(61)	(10)	(65)	(48)
Income before provision for income taxes	1,336	726	3,796	1,624
Provision for income taxes	530	301	1,557	647
Net income	806	425	2,239	977
Less: Net income attributable to participating securities	4	3	10	6
Net income attributable to Class A and Class B common stockholders	802	422	2,229	971
Earnings per share attributable to Class A and Class B common stockholders:
Basic (in dollars per share)	$ 0.31	$ 0.17	$ 0.87	$ 0.40
Diluted (in dollars per share)	$ 0.30	$ 0.17	$ 0.86	$ 0.39
Weighted average shares used to compute earnings per share attributable to Class A and Class B common stockholders:
Basic (in shares)	2,587	2,430	2,565	2,408
Diluted (in shares)	2,644	2,528	2,616	2,504
Share-based compensation expense included in costs and expenses:
Share-based compensation expense	353	239	941	633
Cost of revenue
Share-based compensation expense included in costs and expenses:
Share-based compensation expense	16	12	44	31
Research and development
Share-based compensation expense included in costs and expenses:
Share-based compensation expense	243	164	643	432
Marketing and sales
Share-based compensation expense included in costs and expenses:
Share-based compensation expense	53	34	146	91
General and administrative
Share-based compensation expense included in costs and expenses:
Share-based compensation expense	$ 41	$ 29	$ 108	$ 79

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Property and Equipment

9 Months Ended

Sep. 30, 2014

Property, Plant and Equipment [Abstract]

Property and Equipment

Property and Equipment

Property and equipment consisted of the following (in millions):

	September 30, 2014			December 31, 2013
Land	$	153		$	45
Buildings	1,347			1,071
Leasehold improvements	279			203
Network equipment	2,704			2,351
Computer software, office equipment and other	134			95
Construction in progress	702			377
Total	5,319			4,142
Less: Accumulated depreciation	(1,616		)	(1,260		)
Property and equipment, net	$	3,703		$	2,882

Construction in progress includes costs primarily related to the expansion of our corporate headquarters in Menlo Park, California, construction of data centers, and network equipment infrastructure to support our data centers around the world. No interest was capitalized during the three months ended September 30, 2014 and 2013, and the nine months ended September 30, 2014. Interest capitalized during the nine months ended September 30, 2013 was not material.

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Fair Value Measurements

9 Months Ended

Sep. 30, 2014

Fair Value Disclosures [Abstract]

Fair Value Measurements

Fair Value Measurements

Assets and liabilities measured at fair value on a recurring basis are summarized below (in millions):

			Fair Value Measurement at Reporting Date Using
Description	September 30, 2014		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Cash equivalents:
Money market funds	$	7,655	$	7,655	$	—	$	—
Marketable securities:
U.S. government securities	2,062		2,062		—		—
U.S. government agency securities	2,330		2,330		—		—
Corporate debt securities	859		—		859		—
Total cash equivalents and marketable securities	$	12,906	$	12,047	$	859	$	—
Other liabilities:
Contingent consideration liability	$	192	$	—	$	—	$	192

			Fair Value Measurement at Reporting Date Using
Description	December 31, 2013		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Cash equivalents:
Money market funds	$	2,279	$	2,279	$	—	$	—
Marketable securities:
U.S. government securities	5,687		5,687		—		—
U.S. government agency securities	2,439		2,439		—		—
Total cash equivalents and marketable securities	$	10,405	$	10,405	$	—	$	—

We classify our cash equivalents and marketable securities within Level 1 or Level 2 because we use quoted market prices or alternative pricing sources and models utilizing market observable inputs to determine their fair value.

We classify our contingent consideration liability in connection with our acquisition of Oculus within Level 3 as factors used to develop the estimated fair value are unobservable inputs that are not supported by market activity. We estimate the fair value of our contingent consideration liability based on the present value of probability-weighted future cash flows related to the contingent earn-out criteria and the fair value of our common stock on each reporting date. Our fair value estimate of this liability was $169 million at the date of acquisition and changes in the fair value of the contingent consideration liability subsequent to the acquisition date, such as changes in the probability assessment and the fair value of our common stock, are recognized in earnings in the period when the change in the estimated fair value occurs. During the three and nine months ended September 30, 2014, we recognized a $23 million change in the fair value of our contingent consideration liability in research and development expense in our condensed consolidated statements of income primarily due to the change in the fair value of our common stock.

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Cash, Cash Equivalents and Marketable Securities (Tables)

9 Months Ended

Sep. 30, 2014

Cash and Cash Equivalents [Abstract]

Cash, Cash Equivalents and Marketable Securities

The following table sets forth the cash, cash equivalents and marketable securities (in millions):

	September 30, 2014		December 31, 2013
Cash and cash equivalents:
Cash	$	1,344	$	1,044
Cash equivalents:
Money market funds	7,655		2,279
Total cash and cash equivalents	8,999		3,323
Marketable securities:
U.S. government securities	2,062		5,687
U.S. government agency securities	2,330		2,439
Corporate debt securities	859		—
Total marketable securities	5,251		8,126
Total cash, cash equivalents and marketable securities	$	14,250	$	11,449

Marketable Securities by Contractual Maturities

The following table classifies our marketable securities by contractual maturities (in millions):

	September 30, 2014
Due in one year	$	2,747
Due in one to two years	2,504
Total	$	5,251

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Subsequent Events

9 Months Ended

Sep. 30, 2014

Subsequent Events [Abstract]

Subsequent Events

Subsequent Events

On October 6, 2014, we completed our acquisition of WhatsApp Inc. (WhatsApp), a privately-held cross-platform mobile messaging company that is expected to provide us with strategic advantages in the mobile ecosystem and expand our mobile messaging offerings. Pursuant to the merger agreement, we issued approximately 178 million shares of our Class A common stock and paid $4.59 billion in cash. We will also grant 46 million RSUs to WhatsApp employees.

Upon acquisition, WhatsApp became a wholly-owned subsidiary of Facebook. The acquisition will be accounted for as a business combination. The following table summarizes the components of the preliminary purchase consideration transferred based on the closing price of $77.56 per share of our Class A common stock on the acquisition close date (in millions):

Cash	$	4,589
Common stock	13,787
Less: post-acquisition share-based compensation and other compensation expense	(1,067		)
Less: cash and promissory notes acquired on acquisition date	(116		)
Purchase consideration	$	17,193

Of the $1.07 billion of share-based compensation and other compensation expense excluded from the purchase consideration above, approximately $188 million will be accounted for as share-based compensation expense at closing as a result of the vesting provisions of WhatsApp employee awards on the acquisition date. The remaining $879 million (approximately 8.5 million shares of Class A common stock and $219 million in cash) is subject to continuous employment and will be recognized as share-based compensation and other compensation expense over the required service period of up to three years.

The following table summarizes the preliminary allocation of the assets acquired and liabilities assumed based on their fair values as of the acquisition date and related estimated useful lives of the finite-lived intangible assets acquired (in millions, except estimated useful life):

				Estimated useful life (in years)
Finite-lived intangible assets:
Acquired users	$	2,026		7 years
Tradename	448			5 years
Acquired technology	288			5 years
Other	21			2 years
Net liabilities assumed	(33		)
Deferred tax liabilities	(916		)
Net assets acquired	$	1,834
Goodwill	15,359
	$	17,193

The $15.36 billion of goodwill is primarily attributable to expected synergies from future growth, from potential monetization opportunities, from strategic advantages provided in the mobile ecosystem and from expansion of our mobile messaging offerings. Goodwill is not expected to be deductible for tax purposes.

The following unaudited pro forma information presents the combined results of operations as if the acquisition had beencompleted on January 1, 2013, the beginning of the comparable prior annual reporting period. The unaudited pro forma results include: (i) amortization associated with preliminary estimates for the acquired intangible assets; (ii) recognition of the post-acquisition share-based compensation and other compensation expense; (iii) share-based compensation expense related to the 46 million RSUs we will grant to WhatsApp employees; and (iv) the associated tax impact on these unaudited pro forma adjustments.

The unaudited pro forma results do not reflect any cost saving synergies from operating efficiencies or the effect of the incremental costs incurred in integrating the two companies. Accordingly, these unaudited pro forma results are presented for informational purpose only and are not necessarily indicative of what the actual results of operations of the combined company would have been if the acquisition had occurred at the beginning of the period presented, nor are they indicative of future results of operations (in millions):

	Three Months Ended September 30,				Nine Months Ended September 30,
	2014		2013		2014		2013
Revenue	$	3,210	$	2,019	$	8,637	$	5,292
Net income (loss)	$	526	$	136	$	1,289	$	(106	)

The unaudited pro forma combined net loss for the nine months ended September 30, 2013 includes a non-recurring pro forma adjustment of $188 million of share-based compensation expense recognized at closing as a result of the vesting provisions of WhatsApp employee awards on the acquisition date.

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Commitments and Contingencies

9 Months Ended

Sep. 30, 2014

Commitments and Contingencies Disclosure [Abstract]

Commitments and Contingencies

Commitments and Contingencies

Leases

We entered into various capital lease arrangements to obtain property and equipment for our operations. Additionally, on occasion we have purchased property and equipment for which we have subsequently obtained capital financing under sale-leaseback transactions. These agreements are typically for three years, except for a building lease which is for 15 years, with interest rates ranging from 1% to 13%. The leases are secured by the underlying leased buildings, leasehold improvements, and equipment. We have also entered into various non-cancelable operating lease agreements for certain of our offices, equipment, land and data centers with original lease periods expiring between 2014 and 2029. We are committed to pay a portion of the related actual operating expenses under certain of these lease agreements. Certain of these arrangements have free rent periods or escalating rent payment provisions, and we recognize rent expense under such arrangements on a straight-line basis.

Operating lease expense was $31 million and $94 million for the three and nine months ended September 30, 2014, respectively, and $28 million and $101 million for the three and nine months ended September 30, 2013, respectively.

Other Agreement

In April 2014, we entered into a non-cancelable contractual commitment to spend a minimum of $140 million on network services over a period of 10 years.

Contingencies

Beginning on May 22, 2012, multiple putative class actions, derivative actions, and individual actions were filed in state and federal courts in the United States and in other jurisdictions against us, our directors, and/or certain of our officers alleging violation of securities laws or breach of fiduciary duties in connection with our initial public offering (IPO) and seeking unspecified damages. We believe these lawsuits are without merit, and we intend to continue to vigorously defend them. The vast majority of the cases in the United States, along with multiple cases filed against The NASDAQ OMX Group, Inc. and The Nasdaq Stock Market LLC (collectively referred to herein as NASDAQ) alleging technical and other trading-related errors by NASDAQ in connection with our IPO, were ordered centralized for coordinated or consolidated pre-trial proceedings in the U.S. District Court for the Southern District of New York. In a series of rulings in 2013 and 2014, the court denied our motion to dismiss the consolidated securities class action and granted our motions to dismiss the derivative actions against our directors and certain of our officers. The plaintiffs in four of these derivative actions have filed notices of appeal. In addition, the events surrounding our IPO became the subject of various state and federal government inquiries. In May 2014, the Securities and Exchange Commission (SEC) notified us that it had terminated its inquiry and that no enforcement action had been recommended by the SEC.

We are also party to various legal proceedings and claims that arise in the ordinary course of business. With respect to our outstanding legal matters, we believe that the amount or estimable range of reasonably possible loss will not, either individually or in the aggregate, have a material adverse effect on our business, consolidated financial position, results of operations, or cash flows. However, the outcome of litigation is inherently uncertain. Therefore, if one or more of these legal matters were resolved against us for amounts in excess of management's expectations, our results of operations and financial condition, including in a particular reporting period, could be materially adversely affected.

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Goodwill and Intangible Assets

9 Months Ended

Sep. 30, 2014

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill and Intangible Assets

Goodwill and Intangible Assets

The change in the carrying amount of goodwill for the nine months ended September 30, 2014 is as follows (in millions):

Balance as of December 31, 2013	$	839
Goodwill acquired	1,777
Effect of currency translation adjustment	(4		)
Balance as of September 30, 2014	$	2,612

Intangible assets consisted of the following (in millions):

		September 30, 2014							December 31, 2013
	Useful lives from date of acquisitions (in years)	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
Finite-lived intangible assets:
Acquired patents	2 - 18	$	773	$	(215	)	$	558	$	773	$	(142	)	$	631
Acquired technology	2 - 10	518		(104		)	414		227		(65		)	162
Tradename and other	2 - 10	357		(72		)	285		138		(48		)	90
Total finite-lived intangible assets:		$	1,648	$	(391	)	$	1,257	$	1,138	$	(255	)	$	883
Indefinite-lived intangible assets:
IPR&D		$	60	$	—		$	60	$	—	$	—		$	—
Total intangible assets		$	1,708	$	(391	)	$	1,317	$	1,138	$	(255	)	$	883

Amortization expense of intangible assets was $59 million and $141 million for the three and nine months ended September 30, 2014, respectively, and $37 million and $106 million for the three and nine months ended September 30, 2013, respectively.

As of September 30, 2014, estimated amortization expense for the unamortized acquired intangible assets for the next five years and thereafter is as follows (in millions):

The remainder of 2014	$	66
2015	260
2016	244
2017	209
2018	163
Thereafter	315
	$	1,257

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Long-term Debt

9 Months Ended

Sep. 30, 2014

Debt Disclosure [Abstract]

Long-term Debt

Long-term Debt

In August 2013, we entered into a five-year senior unsecured revolving credit facility (2013 Revolving Credit Facility) that allows us to borrow up to $6.5 billion to fund working capital and general corporate purposes with interest payable on the borrowed amounts set at LIBOR plus 1.0%, as well as an annual commitment fee of 0.10% on the daily undrawn balance of the facility. We paid origination fees at closing of the 2013 Revolving Credit Facility, which fees are being amortized over the term of the facility. Any amounts outstanding under this facility will be due and payable on August 15, 2018. As of September 30, 2014, no amounts had been drawn down and we were in compliance with the covenants under this facility.

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Stockholders' Equity

9 Months Ended

Sep. 30, 2014

Equity [Abstract]

Stockholders' Equity

Stockholders' Equity

Share-based Compensation Plans

We maintain two share-based employee compensation plans: the 2012 Equity Incentive Plan (2012 Plan) and the 2005 Stock Plan (collectively, Stock Plans). Our 2012 Plan serves as the successor to our 2005 Stock Plan and provides for the issuance of incentive and nonstatutory stock options, restricted stock awards, stock appreciation rights, RSUs, performance shares and stock bonuses to qualified employees, directors and consultants. Outstanding awards under the 2005 Stock Plan continue to be subject to the terms and conditions of the 2005 Stock Plan. The maximum term for stock options granted under the 2012 Plan may not exceed ten years from the date of grant. Our 2012 Plan will terminate ten years from the date of approval unless it is terminated earlier by our compensation committee.

We have initially reserved 25,000,000 shares of our Class A common stock for issuance under our 2012 Plan, which amount increases on the first day of January of each year through 2022 based on a formula or as determined by the board of directors. Our board of directors elected not to increase the number of shares reserved for issuance in 2014. In addition, shares available for grant under the 2005 Stock Plan, which were reserved but not issued or subject to outstanding awards under the 2005 Stock Plan as of the effective date of our IPO, were added to the reserves of the 2012 Plan and shares that were withheld in connection with the net settlement of RSUs were also added to the reserves of the 2012 Plan. In January 2014, we began requiring that employees sell a portion of the shares that they receive upon the vesting of RSUs in order to cover any required withholding taxes, rather than our previous approach of net share settlement.

In February 2014, we terminated our 2005 Officers' Plan as the only outstanding option issued under this plan had been exercised in full.

The following table summarizes the stock option activity under the Stock Plans during the nine months ended September 30, 2014:

	Shares Subject to Options Outstanding
	Number of Shares		Weighted Average Exercise Price		Weighted- Average Remaining Contractual Term	Aggregate Intrinsic Value(1)
	(in thousands)				(in years)	(in millions)
Balance as of December 31, 2013	22,102		$	3.56
Stock options exercised	(5,015	)	0.91
Balance as of September 30, 2014	17,087		$	4.34	3.22	$	1,276
Stock options vested and expected to vest as of September 30, 2014	17,071		$	4.33	3.22	$	1,275
Stock options exercisable as of September 30, 2014	13,719		$	2.48	2.56	$	1,050

(1) The aggregate intrinsic value is calculated as the difference between the exercise price of the underlying stock option awards and the closing price of our Class A common stock of $79.04 on September 30, 2014.

The aggregate intrinsic value of options exercised was $117 million and $321 million for the three and nine months ended September 30, 2014, respectively, and $586 million and $1.17 billion for the three and nine months ended September 30, 2013, respectively.

The following table summarizes the activities for our unvested RSUs for the nine months ended September 30, 2014:

	Unvested RSUs
	Number of Shares		Weighted Average Grant Date Fair Value
	(in thousands)
Unvested at December 31, 2013	103,971		$	27.30
Granted	33,844		70.04
Vested	(33,450	)	24.77
Forfeited	(7,948	)	33.87
Unvested at September 30, 2014	96,417		$	42.64

The fair value as of the respective vesting dates of RSUs that vested during the three and nine months ended September 30, 2014 was $652 million and $2.19 billion, respectively, and $326 million and $1.15 billion, respectively, during the three and nine months ended September 30, 2013.

As of September 30, 2014, there was $4.17 billion of unrecognized share-based compensation expense, of which $3.71 billion is related to RSUs and $464 million is related to restricted shares, shares with performance conditions related to our contingent consideration liability, and stock options. This unrecognized compensation expense is expected to be recognized over a weighted-average period of approximately three years.

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Cash, Cash Equivalents and Marketable Securities - Contractual Maturities of Debt Securities (Details) (USD $) In Millions, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Cash and Cash Equivalents [Abstract]
Due in one year	$ 2,747
Due in one to two years	2,504
Total marketable securities	$ 5,251	$ 8,126

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Acquisitions (Tables) (Oculus)

9 Months Ended

Sep. 30, 2014

Oculus

Business Acquisition [Line Items]

Schedule of the Components of Consideration Transferred

The following table summarizes the components of the purchase consideration transferred based on the closing price of our common stock as of the acquisition date (in millions):

Cash	$	400
Common stock	1,601
Less: post-acquisition share-based compensation and other compensation expense	(297		)
Less: cash acquired on acquisition date	(20		)
Total purchase consideration, excluding contingent consideration	$	1,684
Contingent consideration	169
Purchase consideration	$	1,853

Schedule of Business Acquisitions, Assets Acquired and Liabilities Assumed

The following table summarizes the allocation of the fair values of the assets acquired and liabilities assumed, including those items that are still preliminary, and the related useful lives, where applicable:

	Oculus				Other
	(in millions)			Useful lives (in years)	(in millions)			Useful lives (in years)
Finite-lived intangible assets:
Acquired technology	$	235		5	$	62		3 - 5
Tradename and other	132			2 - 7	87			3 - 5
IPR&D intangible assets	60				—
Net assets acquired	—				104
Deferred tax liabilities	(107		)		(41		)
Net assets acquired	$	320			$	212
Goodwill	1,533				244
Total fair value	$	1,853			$	456

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Goodwill and Intangible Assets (Tables)

9 Months Ended

Sep. 30, 2014

Goodwill and Intangible Assets Disclosure [Abstract]

Changes in Carrying Amount of Goodwill

The change in the carrying amount of goodwill for the nine months ended September 30, 2014 is as follows (in millions):

Balance as of December 31, 2013	$	839
Goodwill acquired	1,777
Effect of currency translation adjustment	(4		)
Balance as of September 30, 2014	$	2,612

Intangible Assets

Intangible assets consisted of the following (in millions):

		September 30, 2014							December 31, 2013
	Useful lives from date of acquisitions (in years)	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
Finite-lived intangible assets:
Acquired patents	2 - 18	$	773	$	(215	)	$	558	$	773	$	(142	)	$	631
Acquired technology	2 - 10	518		(104		)	414		227		(65		)	162
Tradename and other	2 - 10	357		(72		)	285		138		(48		)	90
Total finite-lived intangible assets:		$	1,648	$	(391	)	$	1,257	$	1,138	$	(255	)	$	883
Indefinite-lived intangible assets:
IPR&D		$	60	$	—		$	60	$	—	$	—		$	—
Total intangible assets		$	1,708	$	(391	)	$	1,317	$	1,138	$	(255	)	$	883

Estimated Amortization Expense for Unamortized Acquired Intangible Assets

As of September 30, 2014, estimated amortization expense for the unamortized acquired intangible assets for the next five years and thereafter is as follows (in millions):

The remainder of 2014	$	66
2015	260
2016	244
2017	209
2018	163
Thereafter	315
	$	1,257

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Subsequent Events (Details) (USD $) In Millions, except Per Share data, unless otherwise specified				3 Months Ended		9 Months Ended		0 Months Ended		0 Months Ended		0 Months Ended		0 Months Ended		0 Months Ended			0 Months Ended
	Sep. 30, 2014	Dec. 31, 2013	Sep. 30, 2014 Class A Common Stock	Sep. 30, 2014 WhatsApp	Sep. 30, 2013 WhatsApp	Sep. 30, 2014 WhatsApp	Sep. 30, 2013 WhatsApp	Oct. 06, 2014 Subsequent Event WhatsApp	Oct. 06, 2014 Subsequent Event WhatsApp	Oct. 06, 2014 Subsequent Event WhatsApp Acquired users	Oct. 06, 2014 Subsequent Event WhatsApp Acquired users	Oct. 06, 2014 Subsequent Event WhatsApp Trade Names	Oct. 06, 2014 Subsequent Event WhatsApp Trade Names	Oct. 06, 2014 Subsequent Event WhatsApp Acquired technology	Oct. 06, 2014 Subsequent Event WhatsApp Acquired technology	Oct. 06, 2014 Subsequent Event WhatsApp Other Intangible Assets	Oct. 06, 2014 Subsequent Event WhatsApp Other Intangible Assets	Oct. 06, 2014 Subsequent Event WhatsApp Restricted Stock Units (RSUs)	Oct. 06, 2014 Subsequent Event WhatsApp Class A Common Stock
Subsequent Event [Line Items]
Business Acquisition, number of shares issued																			178
Payments to acquire business								$ 4,589
Shares to be issued																		46
Common stock, closing share price (in usd per share)			$ 79.04						$ 77.56
Business Combination, Consideration Transferred [Abstract]
Cash								4,589
Common stock									13,787
Less: post-acquisition share-based compensation and other compensation expense								(1,067)
Less: cash and promissory notes acquired on acquisition date									(116)
Purchase consideration								17,193
Share-based compensation recognized								(188)
Deferred compensation expense to be recognized								879
Deferred compensation (in shares)								8.5
Deferred compensation, Cash award granted									219
Deferred compensation, Requisite service period								3 years
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net [Abstract]
Finite-lived intangible assets:											2,026		448		288		21
Finite-lived intangible asset, Useful life										7 years		5 years		5 years		2 years
Net liabilities assumed									(33)
Deferred tax liabilities									(916)
Net assets acquired									1,834
Goodwill	2,612	839							15,359
Purchase consideration								17,193
Business Acquisition, Pro Forma Information [Abstract]
Revenue				3,210	2,019	8,637	5,292
Net income (loss)				$ 526	$ 136	$ 1,289	$ (106)

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Stockholders' Equity - Share-based Compensation Plans (Detail)	9 Months Ended
	Sep. 30, 2014
Share-based Compensation Arrangement by Share-based Payment Award
Share-based employee compensation plans, number	2
2012 Plan
Share-based Compensation Arrangement by Share-based Payment Award
Share-based compensation arrangement by share-based payment award, expiration period (in years)	10 years
Share-based compensation arrangement by share-based payment award, expiration period for plan (in years)	10 years
2012 equity incentive plan shares authorized	25,000,000
2012 Plan | Maximum
Share-based Compensation Arrangement by Share-based Payment Award
Shares reserved for issuance increase date range	Jan. 01, 2022

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CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (UNAUDITED) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Statement of Comprehensive Income [Abstract]
Net income	$ 806	$ 425	$ 2,239	$ 977
Other comprehensive income (loss):
Change in foreign currency translation adjustment	(102)	38	(123)	7
Change in unrealized gain/loss on available-for-sale investments, net of tax	(2)	4	0	1
Change in unrealized gain/loss on derivative, net of tax	0	(1)	0	3
Comprehensive income	$ 702	$ 466	$ 2,116	$ 988

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Cash, Cash Equivalents and Marketable Securities

9 Months Ended

Sep. 30, 2014

Cash and Cash Equivalents [Abstract]

Cash, Cash Equivalents and Marketable Securities

Cash, Cash Equivalents and Marketable Securities

The following table sets forth the cash, cash equivalents and marketable securities (in millions):

	September 30, 2014		December 31, 2013
Cash and cash equivalents:
Cash	$	1,344	$	1,044
Cash equivalents:
Money market funds	7,655		2,279
Total cash and cash equivalents	8,999		3,323
Marketable securities:
U.S. government securities	2,062		5,687
U.S. government agency securities	2,330		2,439
Corporate debt securities	859		—
Total marketable securities	5,251		8,126
Total cash, cash equivalents and marketable securities	$	14,250	$	11,449

The gross unrealized gains or losses on our marketable securities as of September 30, 2014 and December 31, 2013 were not significant. In addition, there were no securities in a continuous loss position for 12 months or longer as of September 30, 2014 and December 31, 2013.

The following table classifies our marketable securities by contractual maturities (in millions):

	September 30, 2014
Due in one year	$	2,747
Due in one to two years	2,504
Total	$	5,251

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Stockholders' Equity (Tables)

9 Months Ended

Sep. 30, 2014

Equity [Abstract]

Stock Option Activity under Stock Plans

The following table summarizes the stock option activity under the Stock Plans during the nine months ended September 30, 2014:

	Shares Subject to Options Outstanding
	Number of Shares		Weighted Average Exercise Price		Weighted- Average Remaining Contractual Term	Aggregate Intrinsic Value(1)
	(in thousands)				(in years)	(in millions)
Balance as of December 31, 2013	22,102		$	3.56
Stock options exercised	(5,015	)	0.91
Balance as of September 30, 2014	17,087		$	4.34	3.22	$	1,276
Stock options vested and expected to vest as of September 30, 2014	17,071		$	4.33	3.22	$	1,275
Stock options exercisable as of September 30, 2014	13,719		$	2.48	2.56	$	1,050

(1) The aggregate intrinsic value is calculated as the difference between the exercise price of the underlying stock option awards and the closing price of our Class A common stock of $79.04 on September 30, 2014.

Restricted Stock Units Award Activity

The following table summarizes the activities for our unvested RSUs for the nine months ended September 30, 2014:

	Unvested RSUs
	Number of Shares		Weighted Average Grant Date Fair Value
	(in thousands)
Unvested at December 31, 2013	103,971		$	27.30
Granted	33,844		70.04
Vested	(33,450	)	24.77
Forfeited	(7,948	)	33.87
Unvested at September 30, 2014	96,417		$	42.64

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Goodwill and Intangible Assets - Estimated Amortization Expense (Details) (USD $) In Millions, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Finite-Lived Intangible Assets, Amortization Expense, Maturity Schedule [Abstract]
The remainder of 2014	$ 66
2015	260
2016	244
2017	209
2018	163
Thereafter	315
Net Carrying Amount	$ 1,257	$ 883

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Summary of Significant Accounting Policies (Policies)

9 Months Ended

Sep. 30, 2014

Accounting Policies [Abstract]

Basis of Presentation

Basis of Presentation

The accompanying unaudited condensed consolidated financial statements have been prepared in accordance with generally accepted accounting principles in the United States (GAAP) and applicable rules and regulations of the Securities and Exchange Commission regarding interim financial reporting. Certain information and note disclosures normally included in the financial statements prepared in accordance with GAAP have been condensed or omitted pursuant to such rules and regulations. As such, the information included in this quarterly report on Form 10-Q should be read in conjunction with the consolidated financial statements and accompanying notes included in our Annual Report on Form 10-K for the fiscal year ended December 31, 2013.

The condensed consolidated balance sheet as of December 31, 2013 included herein was derived from the audited financial statements as of that date, but does not include all disclosures including notes required by GAAP.

The condensed consolidated financial statements include the accounts of Facebook, Inc. and its wholly owned subsidiaries. All intercompany balances and transactions have been eliminated.

The accompanying condensed consolidated financial statements reflect all normal recurring adjustments necessary to present fairly the financial position, results of operations, and cash flows for the interim periods, but are not necessarily indicative of the results of operations to be anticipated for the full year ending December 31, 2014.

There have been no changes to our significant accounting policies described in our Annual Report on Form 10-K for the fiscal year ended December 31, 2013 that have had a material impact on our condensed consolidated financial statements and related notes.

Use of Estimates

Use of Estimates

Conformity with GAAP requires the use of estimates and judgments that affect the reported amounts in the condensed consolidated financial statements and accompanying notes. These estimates form the basis for judgments we make about the carrying values of our assets and liabilities, which are not readily apparent from other sources. We base our estimates and judgments on historical information and on various other assumptions that we believe are reasonable under the circumstances. GAAP requires us to make estimates and judgments in several areas, including, but not limited to, those related to revenue recognition, collectability of accounts receivable, contingent liabilities, fair value of financial instruments, fair value of acquired intangible assets and goodwill, useful lives of intangible assets and property and equipment, and income taxes. These estimates are based on management's knowledge about current events and expectations about actions we may undertake in the future. Actual results could differ materially from those estimates.

Recent Accounting Pronouncements

Recent Accounting Pronouncements

 In May 2014, the Financial Accounting Standards Board issued guidance related to revenue from contracts with customers. Under this guidance, revenue is recognized when promised goods or services are transferred to customers in an amount that reflects the consideration that is expected to be received for those goods or services. The updated standard will replace most existing revenue recognition guidance under GAAP when it becomes effective and permits the use of either the retrospective or cumulative effect transition method. Early adoption is not permitted. The updated standard will be effective for us in the first quarter of 2017. We have not yet selected a transition method and we are currently evaluating the effect that the updated standard will have on our consolidated financial statements and related disclosures.