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 March 31, 2013

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	¨	Accelerated filer	¨
Non-accelerated filer	x (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	1,749,622,219 shares outstanding as of April 30, 2013
Class B Common Stock $0.000006 par value	668,283,406 shares outstanding as of April 30, 2013

FACEBOOK, INC.

TABLE OF CONTENTS

		Page No.
Note About Forward-Looking Statements		3
Limitations of Key Metrics		4
PART I—FINANCIAL INFORMATION		5
Item 1.	Financial Statements (unaudited)	5
	Condensed Consolidated Balance Sheets—March 31, 2013 and December 31, 2012	5
	Condensed Consolidated Statements of Income—for the three months ended March 31, 2013 and 2012	6
	Condensed Consolidated Statements of Comprehensive Income —for the three months ended March 31, 2013 and 2012	7
	Condensed Consolidated Statements of Cash Flows—for the three months ended March 31, 2013 and 2012	8
	Notes to Condensed Consolidated Financial Statements	10
Item 2.	Management's Discussion and Analysis of Financial Condition and Results of Operations	20
Item 3.	Quantitative and Qualitative Disclosures About Market Risk	31
Item 4.	Controls and Procedures	32
PART II—OTHER INFORMATION		33
Item 1.	Legal Proceedings	33
Item 1A.	Risk Factors	34
Item 2.	Unregistered Sales of Equity Securities and Use of Proceeds	51
Item 6.	Exhibits	52
SIGNATURES		53

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.

3

LIMITATIONS OF KEY METRICS

The numbers of our daily active users (DAUs), monthly active users (MAUs), mobile MAUs, and average revenue per user (ARPU) 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 approximately 5.0% of our worldwide MAUs as of December 31, 2012. 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. As of December 31, 2012, for example, we estimate user-misclassified accounts may have represented approximately 1.3% of our worldwide MAUs and undesirable accounts may have represented approximately 0.9% 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 Australia and higher in developing markets such as Indonesia 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.

Some of our historical metrics through the second quarter of 2012 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 and 2010 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. Our estimates for revenue by user location and revenue by user device are also affected by these factors. We regularly review and may adjust our processes for calculating these metrics to improve their accuracy. 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, MAUs, and mobile MAUs discussed in this Quarterly Report on Form 10-Q, as well as ARPU, do not include users of Instagram unless such users would otherwise qualify as DAUs, MAUs, and mobile MAUs, respectively, based on activity that is shared back to Facebook. In addition, our other user engagement metrics 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)

	March 31, 2013			December 31, 2012
Assets
Current assets:
Cash and cash equivalents	$	2,325		$	2,384
Marketable securities	7,147			7,242
Accounts receivable, net of allowances for doubtful accounts of $21 and $22 as of March 31, 2013 and December 31, 2012, respectively	659			719
Income tax refundable	426			451
Prepaid expenses and other current assets	485			471
Total current assets	11,042			11,267
Property and equipment, net	2,533			2,391
Goodwill and intangible assets, net	1,501			1,388
Other assets	87			57
Total assets	$	15,163		$	15,103
Liabilities and stockholders' equity
Current liabilities:
Accounts payable	$	75		$	65
Platform partners payable	190			169
Accrued expenses and other current liabilities	430			423
Deferred revenue and deposits	30			30
Current portion of capital lease obligations	338			365
Total current liabilities	1,063			1,052
Capital lease obligations, less current portion	420			491
Long-term debt	1,500			1,500
Other liabilities	356			305
Total liabilities	3,339			3,348
Stockholders' equity:
Common stock, $0.000006 par value; 5,000 million Class A shares authorized, 1,741 million and 1,671 million shares issued and outstanding, including 7 million and 2 million outstanding shares subject to repurchase as of March 31, 2013 and December 31, 2012, respectively; 4,141 million Class B shares authorized, 670 million and 701 million shares issued and outstanding, including 10 million and 11 million outstanding shares subject to repurchase as of March 31, 2013 and December 31, 2012, respectively	—			—
Additional paid-in capital	9,961			10,094
Accumulated other comprehensive (loss) income	(15		)	2
Retained earnings	1,878			1,659
Total stockholders' equity	11,824			11,755
Total liabilities and stockholders' equity	$	15,163		$	15,103

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 March 31,
	2013			2012
Revenue	$	1,458		$	1,058
Costs and expenses:
Cost of revenue	413			277
Research and development	293			153
Marketing and sales	203			143
General and administrative	176			104
Total costs and expenses	1,085			677
Income from operations	373			381
Interest and other (expense) income, net:
Interest expense	(15		)	(13		)
Other (expense) income, net	(5		)	14
Income before provision for income taxes	353			382
Provision for income taxes	134			177
Net income	$	219		$	205
Less: Net income attributable to participating securities	2			68
Net income attributable to Class A and Class B common stockholders	$	217		$	137
Earnings per share attributable to Class A and Class B common stockholders:
Basic	$	0.09		$	0.10
Diluted	$	0.09		$	0.09
Weighted average shares used to compute earnings per share attributable to Class A and Class B common stockholders:
Basic	2,386			1,347
Diluted	2,499			1,527
Share-based compensation expense included in costs and expenses:
Cost of revenue	$	8		$	5
Research and development	117			60
Marketing and sales	24			19
General and administrative	21			19
Total share-based compensation expense	$	170		$	103

See Accompanying Notes to Condensed Consolidated Financial Statements.

6

FACEBOOK, INC.

CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME

(In millions)

(Unaudited)

	Three Months Ended March 31,
	2013			2012
Net income	$	219		$	205
Other comprehensive (loss) income:
Change in foreign currency translation adjustment	(18		)	(1		)
Unrealized gain on derivative, net of tax	1			—
Comprehensive income	$	202		$	204

See Accompanying Notes to Condensed Consolidated Financial Statements.

7

FACEBOOK, INC.

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS

(In millions)

(Unaudited)

	Three Months Ended March 31,
	2013			2012
Cash flows from operating activities
Net income	$	219		$	205
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	241			110
Loss on write-off of equipment	9			1
Share-based compensation	170			103
Deferred income taxes	(7		)	(24		)
Tax benefit from share-based award activity	59			54
Excess tax benefit from share-based award activity	(62		)	(54		)
Changes in assets and liabilities:
Accounts receivable	54			65
Prepaid expenses and other current assets	(1		)	(33		)
Other assets	(36		)	(6		)
Accounts payable	1			(3		)
Platform partners payable	21			7
Accrued expenses and other current liabilities	(33		)	2
Deferred revenue and deposits	—			3
Other liabilities	84			11
Net cash provided by operating activities	719			441
Cash flows from investing activities
Purchases of property and equipment	(327		)	(453		)
Purchases of marketable securities	(1,508		)	(876		)
Sales of marketable securities	699			69
Maturities of marketable securities	903			567
Investments in non-marketable equity securities	—			(1		)
Acquisitions of businesses, net of cash acquired, and purchases of intangible assets	(99		)	(25		)
Change in restricted cash and deposits	6			(1		)
Net cash used in investing activities	(326		)	(720		)
Cash flows from financing activities
Taxes paid related to net share settlement of equity awards	(405		)	—
Proceeds from exercise of stock options	8			5
Proceeds from sale and lease-back transactions	—			62
Principal payments on capital lease obligations	(109		)	(71		)
Excess tax benefit from share-based award activity	62			54
Net cash (used in) provided by financing activities	(444		)	50
Effect of exchange rate changes on cash and cash equivalents	(8		)	(1		)
Net decrease in cash and cash equivalents	(59		)	(230		)
Cash and cash equivalents at beginning of period	2,384			1,512
Cash and cash equivalents at end of period	$	2,325		$	1,282

See Accompanying Notes to Condensed Consolidated Financial Statements.

8

FACEBOOK, INC.

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS

(In millions)

(Unaudited)

	Three Months Ended March 31,
	2013		2012
Supplemental cash flow data
Cash paid during the period for:
Interest	$	12	$	9
Income taxes	$	9	$	174
Non-cash investing and financing activities:
Net change in accounts payable and accrued expenses and other current liabilities related to property and equipment additions	$	47	$	110
Property and equipment acquired under capital leases	$	11	$	38
Fair value of shares issued related to acquisitions of businesses and other assets	$	33	$	6

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, 2012.

The condensed consolidated balance sheet as of December 31, 2012, 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, 2013.

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, 2012 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 share-based awards, 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.

Recently Issued and Adopted Accounting Pronouncement 

Comprehensive Income

In February 2013, the Financial Accounting Standards Board issued Accounting Standards Update (ASU) No. 2013-02, Comprehensive Income (Topic 220): Reporting of Amounts Reclassified Out of Accumulated Other Comprehensive Income (ASU 2013-02) which is effective prospectively for public companies for reporting periods beginning after December 15, 2012. This new accounting standard improves the reporting of reclassifications out of accumulated other comprehensive income (AOCI) by requiring an entity to report the effect of significant reclassifications out of AOCI on the respective line items in net income if the amount being reclassified is required under GAAP to be reclassified in its entirety to net income. For other amounts that are not required under GAAP to be reclassified in their entirety to net income in the same reporting period, an entity is required to cross-reference other disclosures required under GAAP that provide additional detail about those amounts. We adopted this new guidance on January 1, 2013 and the adoption did not have a material effect on our condensed consolidated financial statements.

Note 2. 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. Prior to the date of our initial public offering (IPO) in May 2012, we considered all series of our convertible preferred stock to be participating securities due to their non-cumulative dividend rights. Immediately after the completion of our IPO, all outstanding shares of convertible preferred stock converted to Class B common stock. Additionally, we consider restricted stock awards to be participating securities, because holders of such shares have non-forfeitable dividend rights in the event of our

10

declaration of a dividend for common shares.

Undistributed earnings allocated to these participating securities are subtracted from net income in determining net income attributable to common stockholders. Net losses, if any, are not allocated to these participating securities. 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 from Class B common stock, while the diluted EPS of Class B common stock does not assume the conversion of those shares. 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.

Restricted stock units (RSUs) granted prior to January 1, 2011 vest upon the satisfaction of both a service condition and a liquidity condition. The liquidity condition is satisfied upon the occurrence of a qualifying event, defined as a change of control transaction or six months following the completion of our IPO. Our IPO did not occur until May 2012. Therefore, prior to this date the holders of these RSUs had no rights in our undistributed earnings and accordingly, they are excluded from the effect of basic and dilutive securities in our EPS calculation for the three months ended March 31, 2012. However, subsequent to the completion of our IPO in May 2012, these RSUs were included in our basic and diluted EPS calculation. RSUs granted on or after January 1, 2011 (Post-2011 RSUs) are not subject to a liquidity condition in order to vest, and are thus included in the calculation of diluted EPS for the three months ended March 31, 2013 and 2012. We have excluded 18 million Post-2011 RSUs from the EPS calculation for the three months ended March 31, 2013 because the impact would be anti-dilutive. No shares were excluded from the calculation for the three months ended March 31, 2012.

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

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

	Three Months Ended March 31,
	2013				2012
	Class A		Class B		Class A		Class B
Basic EPS:
Numerator
Net income	$	156	$	63	$	18	$	187
Less: Net income attributable to participating securities	1		1		6		62
Net income attributable to common stockholders	$	155	$	62	$	12	$	125
Denominator
Weighted average shares outstanding	1,709		691		117		1,233
Less: Shares subject to repurchase	4		10		—		3
Number of shares used for basic EPS computation	1,705		681		117		1,230
Basic EPS	$	0.09	$	0.09	$	0.10	$	0.10
Diluted EPS:
Numerator
Net income attributable to common stockholders	$	155	$	62	$	12	$	125
Reallocation of net income attributable to participating securities	2		—		5		—
Reallocation of net income as a result of conversion of Class B to Class A common stock	62		—		125		—
Reallocation of net income to Class B common stock	—		7		—		6
Net income attributable to common stockholders for diluted EPS	$	219	$	69	$	142	$	131
Denominator
Number of shares used for basic EPS computation	1,705		681		117		1,230
Conversion of Class B to Class A common stock	681		—		1,230		—
Weighted average effect of dilutive securities:
Employee stock options	80		80		169		169
RSUs	29		29		9		9
Shares subject to repurchase	4		4		2		2
Number of shares used for diluted EPS computation	2,499		794		1,527		1,410
Diluted EPS	$	0.09	$	0.09	$	0.09	$	0.09

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Note 3. Cash, Cash Equivalents and Marketable Securities

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

	March 31, 2013		December 31, 2012
Cash and cash equivalents:
Cash	$	1,166	$	1,513
Cash equivalents:
Money market funds	1,159		871
Total cash and cash equivalents	2,325		2,384
Marketable securities:
U.S. government securities	4,793		5,165
U.S. government agency securities	2,354		2,077
Total marketable securities	7,147		7,242
Total cash, cash equivalents and marketable securities	$	9,472	$	9,626

The gross unrealized gains or losses on our marketable securities as of March 31, 2013 and December 31, 2012 were not significant. In addition, there were no securities in a continuous loss position for 12 months or longer as of March 31, 2013 and December 31, 2012.

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

	March 31, 2013
Due in one year	$	4,389
Due in one to two years	2,758
Total	$	7,147

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Note 4. 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	March 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	$	1,159	$	1,159	$	—	$	—
Marketable securities:
U.S. government securities	4,793		4,793		—		—
U.S. government agency securities	2,354		2,354		—		—
Total cash equivalents and marketable securities	$	8,306	$	8,306	$	—	$	—
Other current liabilities:
Contingent consideration liability	$	4	$	—	$	—	$	4
Other liabilities:
Derivative financial instrument	$	3	$	—	$	3	$	—

			Fair Value Measurement at Reporting Date Using
Description	December 31, 2012		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	$	871	$	871	$	—	$	—
Marketable securities:
U.S. government securities	5,165		5,165		—		—
U.S. government agency securities	2,077		2,077		—		—
Total cash equivalents and marketable securities	$	8,113	$	8,113	$	—	$	—
Other current liabilities:
Contingent consideration liability	$	4	$	—	$	—	$	4
Other liabilities:
Derivative financial instrument	$	4	$	—	$	4	$	—

Our Level 2 derivative financial instrument represents our interest rate swap agreement which is valued based on a valuation model using significant inputs derived from or corroborated by observable market data.

We estimate the fair value of our Level 3 contingent consideration liability based on the probability assessment of an earn-out criteria. In developing these estimates, we consider factors not observed in the market and thus this represents a Level 3 measurement. Level 3 instruments are valued based on unobservable inputs that are supported by little or no market activity and reflect our own assumptions in measuring fair value. Our fair value estimate of this liability was $6 million at the date of acquisition. Changes in the fair value of the contingent consideration liability subsequent to the acquisition date, such as changes in the probability assessment and our stock prices, are recognized in earnings in the period when the change in the estimated fair value occurs.

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Note 5. Property and Equipment

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

	March 31, 2013			December 31, 2012
Network equipment	$	2,009		$	1,912
Land	36			36
Buildings	896			594
Leasehold improvements	199			194
Computer software, office equipment and other	96			93
Construction in progress	299			444
Total	3,535			3,273
Less: Accumulated depreciation	(1,002		)	(882		)
Property and equipment, net	$	2,533		$	2,391

Construction in progress includes costs primarily related to the construction of data centers and equipment located in our data centers in Oregon, North Carolina and Sweden. Interest capitalized during the periods presented was not material.

Note 6. Goodwill and Intangible Assets

In the three months ended March 31, 2013, we completed several patent and business acquisitions for a total consideration of $132 million, consisting of approximately $99 million in cash and 1.2 million of vested shares of our Class A common stock which are not conditioned upon continuous employment. In addition, we issued 5.4 million shares of Class A common stock in connection with such acquisitions, which shares are conditioned upon continuous employment and have been excluded from purchase consideration and will be recognized over the required service period as share-based compensation expense. These acquisitions were not material to our condensed consolidated financial statements individually or in the aggregate.

The changes in the carrying amount of goodwill for the three months ended March 31, 2013 are as follows (in millions):

Balances at December 31, 2012	$	587
Goodwill acquired	67
Balance as of March 31, 2013	$	654

Intangible assets consisted of the following (in millions):

		March 31, 2013							December 31, 2012
	Useful lives from date of acquisitions (in years)	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
Amortizable intangible assets:
Acquired patents	3 - 18	$	738	$	(74	)	$	664	$	684	$	(53	)	$	631
Acquired technology	2 - 10	157		(38		)	119		133		(32		)	101
Tradename and other	2 - 7	94		(30		)	64		94		(25		)	69
Total		$	989	$	(142	)	$	847	$	911	$	(110	)	$	801

Amortization expense of intangible assets for the three months ended March 31, 2013 and 2012 was $33 million and $5 million, respectively.

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As of March 31, 2013, estimated amortization expense for the unamortized acquired intangible assets for the next five years and thereafter is as follows (in millions):

The remainder of 2013	$	102
2014	129
2015	121
2016	110
2017	94
2018	66
Thereafter	225
	$	847

Note 7. Long-term Debt

We have an unsecured five-year revolving credit facility that allows us to borrow up to $5 billion at London Interbank Offered Rate (LIBOR) plus 1.0%, as well as an annual commitment fee of 0.10% on the daily undrawn balance. As of March 31, 2013, no amounts were drawn down and we were in compliance with the covenants under this credit facility.

We also have a three-year unsecured term loan facility (Amended and Restated Term Loan) expiring in October 2015, that allows us to borrow up to $1.5 billion 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 fully drew down the $1.5 billion which will become due and payable on October 25, 2015. As of March 31, 2013, we were in compliance with the covenants in the Amended and Restated Term Loan.

In connection with the draw down of the Amended and Restated Term Loan, we entered into a $1.5 billion interest rate swap agreement that converts the one-month LIBOR rate on the corresponding notional amount of debt to a fixed interest rate of 1.46% to hedge our exposure to interest rate fluctuation. This interest rate swap has a maturity date of October 25, 2015. We have designated the interest rate swap agreement as a qualifying hedging instrument and accounted for it as a cash flow hedge. We periodically assess the effectiveness of our hedged transaction. The interest rate swap agreement is currently our only derivative instrument and is not used for trading purposes.

As of March 31, 2013, the change in fair value of this interest rate swap agreement, net of tax was $1 million and is recognized in AOCI with the corresponding fair value of $3 million included in other liabilities on our condensed consolidated balance sheet. For the three months ended March 31, 2013, the amount of loss in other comprehensive income reclassified to interest expense was not significant. There were no realized gains or losses on this derivative other than those related to the periodic settlement of the interest rate swap.

We estimate that $3 million of derivative losses included in AOCI will be reclassified into earnings within the next 12 months. This amount has been calculated based on the variable interest rate assumptions used in the fair value calculation of the interest rate swap agreement as of March 31, 2013.

Note 8. Commitments and Contingencies

Leases

We have 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 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 now and 2027. 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 and/or escalating rent payment provisions, and we recognize rent expense under such arrangements on a straight-line basis.

Operating lease expense was $41 million and $51 million for the three months ended March 31, 2013 and 2012, respectively.

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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 IPO and seeking unspecified damages. We believe these lawsuits are without merit, and we intend to continue to vigorously defend them. On October 4, 2012, on our motion, 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 United States District Court for the Southern District of New York. On February 13, 2013, the court granted our motion to dismiss four derivative actions against our directors and certain of our officers. In addition, the events surrounding our IPO have become the subject of various government inquiries, and we are cooperating with those inquiries.

In the opinion of management, there was not at least a reasonable possibility we may have incurred a material loss, or a material loss in excess of a recorded accrual, with respect to loss contingencies relating to the matters set forth above. However, the outcome of litigation is inherently uncertain. Therefore, although management considers the likelihood of such an outcome to be remote, if one or more of these legal matters were resolved against us in the same reporting period for amounts in excess of management's expectations, our condensed consolidated financial statements of a particular reporting period could be materially adversely affected.

We are also party to various legal proceedings and claims which arise in the ordinary course of business. Among these legal matters, in two cases, Summit 6 LLC v. Research in Motion Corporation et al., and Timelines, Inc. v. Facebook, Inc., we have reached agreements to settle the matters. The cost of settlement in each case, which is included in the accompanying condensed consolidated financial statements for the three months ended March 31, 2013, was not material to our business, financial condition, or results of operations.

Note 9. Stockholders' Equity

Share-based Compensation Plans

We maintain three share-based employee compensation plans: the 2012 Equity Incentive Plan (2012 Plan), the 2005 Stock Plan and the 2005 Officers' 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. 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 of 2013 through 2022 based on a formula or as determined by the board of directors. We did not increase the number of shares reserved for issuance in 2013.

In November 2005, we issued a nonstatutory stock option to our CEO to purchase 120,000,000 shares of our Class B common stock under the 2005 Officers' Stock Plan. As of March 31, 2013, the option had been partially exercised in respect of 60,000,000 shares with the remainder remaining outstanding and fully vested, and no options were available for future issuance under the 2005 Officers' Stock Plan.

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The following table summarizes the stock option activity under the Stock Plans during the three months ended March 31, 2013:

	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, 2012	122,821		$	0.85	3.79	$	3,166
Stock options exercised	(11,196	)	0.68
Balance as of March 31, 2013	111,625		$	0.87	3.48	$	2,758
Stock options vested and expected to vest as of March 31, 2013	111,384		$	0.86	3.47	$	2,753
Stock options exercisable as of March 31, 2013	103,374		$	0.32	3.21	$	2,611

(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 $25.58 on March 31, 2013.

The aggregate intrinsic value of the options exercised in the three months ended March 31, 2013 and 2012 was $311 million and $629 million, respectively.

The following table summarizes the activities for our unvested RSUs for the three months ended March 31, 2013:

	Unvested RSUs
	Number of Shares		Weighted Average Grant Date Fair Value
	(in thousands)
Unvested at December 31, 2012	113,044		$	21.38
Granted	3,135		28.65
Vested	(16,797	)	16.38
Forfeited	(2,305	)	22.43
Unvested at March 31, 2013	97,077		$	22.46

As of March 31, 2013, there was $2.21 billion of unrecognized share-based compensation expense, of which $1.85 billion is related to RSUs, and $359 million is related to restricted shares and stock options. This unrecognized compensation expense is expected to be recognized over a weighted-average period of approximately three years. Additionally, the compensation committee of our board of directors has approved annual refresher grants in the aggregate amount of approximately 35 million RSUs to be granted on May 6, 2013. These grants are not included in the table above and their fair value will be determined based on the closing price of our Class A common stock on the date of grant.

Note 10. 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. For example, the effect of non-deductible share based compensation expenses on our effective tax rate is significantly greater when our income before provision for income taxes is lower.

Our effective tax rate has exceeded the U.S. statutory rate primarily because of the effect of non-deductible share-based compensation and losses arising outside the United States in jurisdictions where we do not receive a tax benefit. These losses were primarily due to the initial start-up costs incurred by our foreign subsidiaries to operate in certain foreign markets, including the costs incurred by those subsidiaries to license, develop, and use our intellectual property. 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

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for valuing our intellectual property and intercompany transactions.

For the three months ended March 31, 2013, the effect of the non-deductible share-based compensation expense and losses arising outside the United States in jurisdictions where we do not receive a tax benefit was offset by the recognition of a non-recurring tax benefit that we recorded in the first quarter of 2013 related to the reinstatement of the federal tax credit for research and development activities applicable to the year ended December 31, 2012.

Our income tax refundable was $426 million as of March 31, 2013, which reflects the expected refund of estimated income tax payments made in 2012 and the expected refund from income tax loss carrybacks to 2010 and 2011. 

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 examination by the IRS and all tax years starting in 2008 remain subject to examination in Ireland. We remain subject to possible examinations or are undergoing audits in various other jurisdictions that are not material to our financial statements.

Our balances of gross unrecognized tax benefits were $352 million and $164 million as of March 31, 2013 and December 31, 2012, respectively. If the remaining balance of gross unrecognized tax benefits as of March 31, 2013 is realized in a future period, this would result in a tax benefit of $247 million within our provision of income taxes at such time. Our existing tax positions will continue to generate an increase in liabilities in future periods for unrecognized tax benefits. 

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.

Note 11. Geographical Information

Revenue by geography is based on the billing address of the advertiser or Platform developer. The following tables set forth revenue and long-lived assets by geographic area (in millions):

	Three Months Ended March 31,
	2013		2012
Revenue:
United States	$	681	$	536
Rest of the world (1)	777		522
Total revenue	$	1,458	$	1,058

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

	March 31, 2013		December 31, 2012
Long-lived assets:
United States	$	2,150	$	2,110
Rest of the world (1)	383		281
Total long-lived assets	$	2,533	$	2,391

(1) No individual country exceeded 10% of our total long-lived assets for any period presented

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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, 2012, 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" 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 users, developers, and advertisers:

Users. We enable people who use Facebook 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.

Developers. We enable developers to use the Facebook Platform to build applications (apps) and websites that integrate with Facebook to reach our global network of users and to build products that are more personalized, social, and engaging.

Advertisers. We enable advertisers to engage with more than one billion monthly active users 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. We offer advertisers a unique combination of reach, relevance, social context, and engagement to enhance the value of their ads.

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 Platform developers. In the first quarter of 2013, we recorded revenue of $1,458 million, income from operations of $373 million and net income of $219 million. Relative to the first quarter of 2012, total costs and expenses grew more than revenue primarily due to increased headcount, expansion of our data center operations and to a lesser extent, increased share-based compensation and related payroll tax expenses for restricted stock units (RSUs) during the first quarter of 2013.

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Trends in Our User Metrics

The numbers of daily active users (DAUs), monthly active users (MAUs), and mobile MAUs discussed below, as well as average revenue per user (ARPU), do not include Instagram users unless such users would otherwise qualify as DAUs, MAUs and/or mobile MAUs based on activity that is shared back to Facebook.

• 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, or took an action to share content or activity with his or her Facebook friends or connections via a third-party website that is integrated with Facebook, on a given day. We view DAUs, and DAUs as a percentage of MAUs, as measures of user engagement.

Worldwide DAUs increased 26% to 665 million on average during March2013 from 526 million during March2012. We experienced growth in DAUs across major markets including Brazil, India, and the United States. Overall growth in DAUs was driven largely by increased mobile usage of Facebook. During the first quarter of 2013, the number of DAUs using personal computers increased modestly compared to the same period in 2012, but in certain key markets such as the United States the number of DAUs using personal computers decreased, while mobile DAUs continued to increase.

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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, or took an action to share content or activity with his or her Facebook friends or connections via a third-party website 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, which has grown substantially in the past several years.

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.

As of March 31, 2013, we had 1.11 billion MAUs, an increase of 23% from March 31, 2012. Users in Brazil and India represented key sources of growth in the first quarter of 2013 relative to the prior year. We had 73 million MAUs in Brazil as of March 31, 2013, an increase of 62% compared to the same period in 2012; and we had 78 million MAUs in India as of March 31, 2013, an increase of 50% compared to the same period in 2012.

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

Worldwide mobile MAUs increased 54% to 751 million as of March 31, 2013 from 488 million as of March 31, 2012. 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 growth over the first quarter of 2013 as compared to the fourth quarter of 2012. Approximately 189 million mobile MAUs accessed Facebook solely through mobile apps or our mobile website during the month ended March 31, 2013, increasing 20% from 157 million during the month ended December 31, 2012. The remaining 562 million mobile MAUs accessed Facebook from both personal computers and mobile devices during that month. While most of our mobile users also access Facebook through personal computers, we anticipate that the rate of growth in mobile usage will exceed the growth in usage through personal computers for the foreseeable future and that the usage through personal computers may be flat or continue to decline in certain markets, including key developed markets such as the United States, in part due to our focus on developing mobile products to encourage mobile usage of Facebook.

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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 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. 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.

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 advertiser or developer.

During the first quarter of 2013, worldwide ARPU was $1.35, an increase of 12% from the first quarter of 2012. Over this period, ARPU increased by approximately 35% in Rest of World, by over 20% in United States & Canada and Asia, and by approximately 14% in Europe. ARPU in the first quarter of 2013 declined 12% from the fourth quarter of 2012. We believe the sequential quarterly decline was driven by seasonal trends, which also affected ARPU trends from the fourth quarter of 2011 to the first quarter of 2012, during which period ARPU declined by 12%. In addition, the sequential decline in ARPU in the first

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quarter of 2013 was affected by the fact that our user growth was higher in geographies with relatively lower ARPU, such as Asia and Rest of World. We expect that user growth in the future will continue to be higher 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 Platform developers.

Advertising. Our advertising revenue is generated by displaying ad products on the Facebook website or mobile app and third-party affiliated websites or mobile apps. Marketers pay for ad products either directly or through their relationships with advertising agencies, based on the number of impressions delivered or the number of clicks made by our users. We recognize revenue from the delivery of click-based ads in the period in which a user clicks on the content. 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. Whether we count the initial display only or every display of an ad as an impression is dependent on where the ad is displayed. For example, an individual ad in News Feed that is purchased on an impression basis may be displayed to users more than once during a day; however, only the initial display of the ad is considered an impression, regardless of how many times the ad is actually displayed within the News Feed.

Payments and other fees. We enable Payments from our users to our Platform developers. Our users can transact and make payments on the Facebook Platform by using credit cards, PayPal or other payment methods available on our website. We receive a fee from our Platform developers when users make purchases from our Platform developers using our Payments infrastructure. We recognize revenue net of amounts remitted to our Platform developers. We have mandated the use of our Payments infrastructure for game apps on Facebook, and fees related to Payments are generated almost exclusively from games. Our other fees revenue consists primarily of user Promoted Posts and, to a lesser extent, Facebook Gifts revenue, and has been immaterial in recent periods.

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, 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.

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-, developer-, and advertiser-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, legal and accounting services, and facilities and other supporting overhead costs. General and administrative expenses also include legal settlements and amortization of patents we acquired.

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Results of Operations

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

	Three Months Ended March 31,
	2013			2012
	(in millions)
Revenue	$	1,458		$	1,058
Costs and expenses:
Cost of revenue	413			277
Research and development	293			153
Marketing and sales	203			143
General and administrative	176			104
Total costs and expenses	1,085			677
Income from operations	373			381
Interest and other (expense) income, net	(20		)	1
Income before provision for income taxes	353			382
Provision for income taxes	134			177
Net income	$	219		$	205

Share-based compensation expense included in costs and expenses:

	Three Months Ended March 31,
	2013		2012
	(in millions)
Share-based compensation expense included in costs and expenses:
Cost of revenue	$	8	$	5
Research and development	117		60
Marketing and sales	24		19
General and administrative	21		19
Total share-based compensation expense	$	170	$	103

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

	Three Months Ended March 31,
	2013		2012
Revenue	100	%	100	%
Costs and expenses:
Cost of revenue	28	%	26	%
Research and development	20	%	14	%
Marketing and sales	14	%	14	%
General and administrative	12	%	10	%
Total costs and expenses	74	%	64	%
Income from operations	26	%	36	%
Interest and other (expense) income, net	(1	)%	—	%
Income before provision for income taxes	24	%	36	%
Provision for income taxes	9	%	17	%
Net income	15	%	19	%

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

	Three Months Ended March 31,
	2013		2012
Cost of revenue	1	%	—	%
Research and development	8		6
Marketing and sales	2		2
General and administrative	1		2
Total share-based compensation expense	12	%	10	%

Three Months EndedMarch 31, 2013 and 2012

Revenue

	Three Months Ended March 31,
	2013		2012		% change
	(in millions, except for percentages)
Revenue:
Advertising	$	1,245	$	872	43	%
Payments and other fees	213		186		15	%
Total revenue	$	1,458	$	1,058	38	%

Revenue in the first quarter of 2013 increased $400 million, or 38%, as compared to the same period in 2012. The increase was due primarily to an increase in advertising revenue.

Advertising revenue increased $373 million, or 43%, as compared to the same period in 2012, due to a 39% increase in the number of ads delivered and a 3% increase in the average price per ad. Factors that affected advertising revenue growth and advertising price and volume trends included: i) the introduction and growth of ads in News Feed on personal computers and mobile devices, which was the largest driver of revenue growth and also significantly increased the average price per ad; ii) 26% growth in average DAUs and 23% growth in MAUs from March 31, 2012 to March 31, 2013, which increased the number of ads we delivered; and iii) other product changes, including our decision in the fourth quarter of 2012 to lower our market reserve price, i.e. the minimum price threshold accepted in our ads auction. We believe the reserve price change significantly increased the number of ads delivered and reduced the average price per ad, and overall had a modest positive effect on revenue. For the first quarter of 2013, we estimate that mobile advertising revenue represented approximately 30% of total advertising revenue.

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Payments and other fees revenue in the first quarter of 2013 increased $27 million, or 15%, as compared to the same period in 2012. The increase in Payments and other fees revenue is a result of increased Payments revenue from games played on Facebook on personal computers, and to a lesser extent, the inclusion of other fees revenue in the first quarter of 2013 from user Promoted Posts and Facebook Gifts.

Cost of revenue

	Three Months Ended March 31,
	2013			2012			% change
	(in millions, except for percentages)
Cost of revenue	$	413		$	277		49	%
Percentage of revenue	28		%	26		%

Cost of revenue in the first quarter of 2013 increased $136 million, or 49%, compared to the same period in 2012. The increase was primarily due to expenses related to expanding our data center operations, including an $87 million increase in depreciation in the first quarter of 2013 due to increased infrastructure purchases in the last year. Increases in payroll and benefits expenses resulting from a 52% increase in employee headcount also contributed to the increase in cost of revenue in the first quarter of 2013. These expenses supported our user growth, the increased usage of products by users, developers, and marketers, and the launch of new products.

Research and development

	Three Months Ended March 31,
	2013			2012			% change
	(in millions, except for percentages)
Research and development	$	293		$	153		92	%
Percentage of revenue	20		%	14		%

Research and development expenses in the first quarter of 2013 increased $140 million, or 92%, compared to the same period in 2012. The increase was primarily due to an increase in payroll and benefits expense resulting from a 69% growth in employee headcount in engineering, product management and other technical functions. Additionally, share-based compensation expense increased $57 million in the first quarter of 2013. This investment supported our efforts to improve existing products and build new products for users, developers, and marketers.

Marketing and sales

	Three Months Ended March 31,
	2013			2012			% change
	(in millions, except for percentages)
Marketing and sales	$	203		$	143		42%
Percentage of revenue	14		%	14		%

Marketing and sales expenses in the first quarter of 2013 increased $60 million, or 42%, compared to the same period in 2012. The increase was primarily due to an increase in payroll and benefits expenses resulting from a 17% increase in employee headcount to support global sales, business development and customer service. Additionally, our user-, developer-, and advertiser-facing marketing and share-based compensation expenses increased $19 million and $5 million, respectively, in the first quarter of 2013.

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General and administrative

	Three Months Ended March 31,
	2013			2012			% change
	(in millions, except for percentages)
General and administrative	$	176		$	104		69	%
Percentage of revenue	12		%	10		%

General and administrative expenses in the first quarter of 2013 increased $72 million, or 69%, compared to the same period in 2012. The increase was primarily due to legal settlement costs in the first quarter of 2013 and amortization of acquired patents. Payroll and benefits expenses also increased in the first quarter of 2013 due to a 23% increase in employee headcount in human resources, information security, corporate communications and policy, and other functions.

Interest and other (expense) income, net

	Three Months Ended March 31,
	2013			2012			% change
	(in millions, except for percentages)
Interest expense	$	(15	)	$	(13	)	15	%
Other (expense) income, net	(5		)	14			136	%
Interest and other (expense) income, net	$	(20	)	$	1		NM

Interest and other (expense) income, net in the first quarter of 2013 decreased $21 million compared to the same period in 2012. Changes in other (expense) income, net were primarily due to foreign exchange losses in the first quarter of 2013 as compared to foreign exchange gains in the same period of 2012 resulting from the periodic re-measurement of our foreign currency balances, offset by an increase in interest income driven by higher invested cash balances. Interest expense increased by $2 million primarily due to interest on the $1.5 billion term loan that was drawn down in the fourth quarter of 2012.

Provision for income taxes

	Three Months Ended March 31,
	2013			2012			% change
	(in millions, except for percentages)
Provision for income taxes	$	134		$	177		(24	)%
Effective tax rate	38		%	46		%

Our provision for income taxes in the first quarter of 2013 decreased $43 million, or 24%, compared to the same period in 2012. Our effective tax rate in the first quarter of 2013 also decreased compared to the same period in 2012. These decreases were primarily due to the recognition of a non-recurring tax benefit in the first quarter of 2013 related to the reinstatement of the federal credit for research and development activities applicable to the year ended December 31, 2012. We expect our effective tax rate in the second quarter and full year of 2013 will be higher than the effective tax rate for the first quarter of 2013 because the benefit related to the reinstatement of the federal credit for 2012 research and development activities will not recur in future quarters.

Our effective tax rate has exceeded the U.S. statutory rate primarily because of the impact of non-deductible share-based compensation expense and losses arising outside the United States in jurisdictions where we do not receive a tax benefit. These losses were primarily due to the initial start-up costs incurred by our foreign subsidiaries to operate in certain foreign markets, including the costs incurred by those subsidiaries to license, develop, and use our intellectual property. 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.

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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 and investments in money market funds and U.S. government and U.S. government agency securities. Cash and cash equivalents and marketable securities was $9.47 billion as of March 31, 2013, a decrease of $154 million from December 31, 2012, mostly due to $405 million used for tax payments related to net share settlement of equity awards, $327 million used for purchases of property and equipment and $109 million used for principal payments on capital lease obligations, offset by $719 million of cash generated from operations. If we continue to net settle RSUs, we will use additional cash to pay our tax withholding obligations in connection with such settlements. 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.

We have an unsecured five-year revolving credit facility that allows us to borrow up to $5 billion at London Interbank Offered Rate (LIBOR) plus 1.0%, as well as an annual commitment fee of 0.10% on the daily undrawn balance. As of March 31, 2013, no amounts were drawn down and we were in compliance with the covenants under this credit facility.

We also have a three-year unsecured term loan facility (Amended and Restated Term Loan) expiring in October 2015, that allows us to borrow up to $1.5 billion 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 fully drew down the $1.5 billion facility which will become due and payable on October 25, 2015. As of March 31, 2013, we were in compliance with the covenants in the Amended and Restated Term Loan.

In connection with the draw down of the Amended and Restated Term Loan, we entered into a $1.5 billion interest rate swap agreement that converts the one-month LIBOR rate on the corresponding notional amount of debt to a fixed interest rate of 1.46% to hedge our exposure to interest rate fluctuation. This interest rate swap has a maturity date of October 25, 2015.

As of March 31, 2013, our income tax refundable of $426 million reflected the expected refund from income tax loss carrybacks to 2010 and 2011. We expect to receive this refund in 2013.

As of March 31, 2013, $629 million of the $9.47 billion in cash and cash equivalents and marketable securities was held by our foreign subsidiaries. We have provided for the additional taxes that would be due if we repatriated these funds for use in our operations in the United States.

Cash Provided by Operating Activities

Cash flow from operating activities during the first quarter of 2013 primarily consisted of net income, adjusted for certain non-cash items, including total depreciation and amortization of $241 million and share-based compensation expense of $170 million. The increase in cash flow from operating activities during the first quarter of 2013 compared to the same period in 2012 was mainly due to increases in net income, adjusted for the non-cash items described above and other liabilities.

Cash Used in Investing Activities

Cash used in investing activities during the first quarter of 2013 primarily resulted from $327 million for capital expenditures related to the purchase of servers, networking equipment, storage infrastructure, and the construction of data centers as well as $99 million for acquisitions of businesses and other assets, such as patents, partially offset by $94 million for the net sales and maturities of marketable securities. The decrease in cash used in investing activities during the first quarter of 2013 compared to the same period in 2012 was mainly due to increased net sales and maturities of marketable securities and lower capital expenditures, offset by increased acquisitions of businesses and other assets.

We anticipate making capital expenditures in 2013 of approximately $1.8 billion.

Cash (Used in) Provided by Financing Activities

Cash used in financing activities was $444 million for the first quarter of 2013 and primarily resulted from $405 million of tax payments related to the net share settlement of equity awards. Because our RSUs granted on or after January 1, 2011 only began to settle in 2013, the total tax payments of $405 million included approximately $185 million related to these RSUs that had vested prior to 2013 but were not settled until the first quarter of 2013.

Cash provided by financing activities was $50 million for the first quarter of 2012 primarily related to proceeds from sale and leaseback transactions.

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Off-Balance Sheet Arrangements

We did not have any off-balance sheet arrangements as of March 31, 2013.

Contractual Obligations

There were no material changes in our commitments under contractual obligations, as disclosed in our Annual Report on Form10-K for the fiscal year ended December 31, 2012.

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 8 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.

Critical Accounting Policies and Estimates

Our condensed consolidated financial statements are prepared in accordance with U.S. generally accepted accounting principles (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, 2012. We updated our forfeiture rate assumptions used in determining our share-based compensation expense in the first quarter of 2013 which resulted in a $23 million reduction in share-based compensation expense included in costs and expenses for the period.

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 loss of $11 million in the first quarter of 2013 and foreign currency gain of $10 million in the first quarter of 2012.

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 and interest paid on our long-term debt.

Our cash and cash equivalents and marketable securities consist of cash, certificates of deposit, time deposits, money market

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funds and U.S. government and U.S. government agency 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 $58 million and $55 million in the market value of our available-for-sale debt securities as of March 31, 2013 and December 31, 2012, respectively. Any realized gains or losses resulting from such interest rate changes would only occur if we sold the investments prior to maturity.

Our long-term debt consists of the $1.5 billion draw down on our three-year unsecured term loan facility that bears variable interest at 1-month LIBOR plus 1.0%. As our risk management objective is to mitigate the risk of changes in cash flows attributable to changes in the designated 1-month LIBOR for the loan, we have entered into an interest rate swap agreement for the exact notional amount of $1.5 billion and a fixed interest rate of 1.46% at the same time the term loan was drawn down to hedge this exposure. Both the term loan and interest rate swap have a maturity date of October 25, 2015. Changes in the cash flows of the interest rate swap are expected to exactly offset the changes in cash flows attributable to fluctuations in the 1-month LIBOR based interest payments on the long-term debt. The net effect of this swap agreement is to convert the variable interest rate to a fixed rate of 1.46%.

Item 4. Controls and Procedures

Evaluation of Disclosure Controls and Procedures

Our management, with the participation of our CEO and 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 such date, our disclosure controls and procedures were effective.

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, 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 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. We continue to believe that Mr. Ceglia is attempting to perpetrate 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. On October 4, 2012, on our motion, 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 United States District Court for the Southern District of New York. On February 13, 2013, the court granted our motion to dismiss four derivative actions against our directors and certain of our officers. In addition, the events surrounding our IPO have become the subject of various government inquiries, and we are cooperating with those inquiries. Any such inquiries could subject us to substantial costs, divert resources and the attention of management from our business, and adversely affect our business.

We are also party to various legal proceedings and claims which arise in the ordinary course of business. Among these legal matters, in two cases, Summit 6 LLC v. Research in Motion Corporation et al., and Timelines, Inc. v. Facebook, Inc., we have reached agreements to settle the matters. The cost of settlement in each case, which is included in the accompanying condensed consolidated financial statements for the three months ended March 31, 2013, was not material to our business, financial condition, or results of operations.

In addition, we are also currently parties to multiple other lawsuits related to our products, including 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. Although the results of these other lawsuits, claims, government investigations, and proceedings in which we are involved cannot be predicted with certainty, we do not believe that the final outcome of these other matters will have a material adverse effect on our business, financial condition, or results of operations.

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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 Facebook, 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. We had 1.11 billion monthly active users (MAUs) as of March 31, 2013. 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 decline over time as the size of our active user base increases, and as we achieve higher market penetration rates. To the extent our active user growth rate slows, our business performance will become increasingly dependent on our ability to increase levels of user engagement and monetization. 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 engage increasingly via mobile devices and as we introduce new and different services. Any decrease in user retention, growth, or engagement could render Facebook less attractive to developers and marketers, which may have a material and adverse impact on our revenue, business, financial condition, and results of operations. 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 and improved products 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;

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

• we, our Platform developers, or other companies in our industry are the subject of adverse media reports or other negative publicity; or

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• our current or future products, such as the Facebook Platform, reduce user activity on Facebook by making it easier for our users to interact and share on third-party websites.

If we are unable to maintain and increase our user base and user engagement, our revenue and financial results may be adversely affected.

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 first quarter of 2013 and 2012, advertising accounted for 85% and 82%, 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. 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, 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;

• increased user access to and engagement with Facebook through our mobile products or other new devices in the future, where our ability to monetize is less proven than it is from use on personal computers;

• product changes or inventory management decisions we may make that reduce the size, frequency, or relative prominence of ads displayed on Facebook;

• our inability to increase advertiser demand, which affects pricing;

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

• the accuracy of our analytics and measurement solutions that demonstrate the value of our ads, 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 such competitors offer more integrated products;

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

• adverse media reports or other negative publicity involving us, our Platform developers, or other companies in our industry;

• our inability to create new products that sustain or increase 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 online advertising is priced;

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

• the impact of macroeconomic conditions and 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.

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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 751 million mobile MAUs in March2013. While most of our mobile users also access Facebook through personal computers, we anticipate that the rate of growth in mobile usage will exceed the growth in usage through personal computers for the foreseeable future and that the usage through personal computers may decline or continue to decline in certain markets, in part due to our focus on developing mobile products to encourage mobile usage of Facebook. For example, during the first quarter of 2013, the number of daily active users (DAUs) using personal computers in the United States declined when compared to the same period in 2012, while the number of mobile DAUs increased. While mobile advertising revenue continues to grow, a majority of our overall advertising revenue is still generated from advertising on personal computers. In addition, we do not currently offer our Payments infrastructure to applications on mobile devices. If users increasingly access Facebook mobile products as a substitute for access through personal computers, and if we are unable to continue to grow mobile revenues, or if we incur excessive expenses in this effort, our financial performance and ability to grow revenue would be negatively affected.

Facebook 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, give preferential treatment to competitive products, or prevent our ability to show 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 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.

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 personalized 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, such as Mixi in Japan and vKontakte and Odnoklassniki in Russia. We also complete with companies that develop applications, particularly mobile applications, that replicate discrete capabilities we provide, such as photo-sharing, messaging, 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 for, Facebook. For example, we believe that some of our users have reduced their engagement with Facebook in favor of increased engagement with other products and services such as Instagram. In the event that our users increasingly engage with other products and services, we may experience a decline in user engagement 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, Platform partners may use information shared by our users through the Facebook Platform 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; or by making access to Facebook more difficult. As a result, our competitors may acquire and engage users at the expense of the growth or engagement of our user base, which may negatively affect our business and financial results.

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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;

• the size and composition of our user base;

• the engagement of our users with our products;

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

• our ability to monetize our products, including our ability to successfully monetize mobile usage;

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

• customer service and support efforts;

• marketing and selling efforts;

• our ability to establish and maintain developers' interest in building on the Facebook Platform;

• 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;

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

• our reputation and brand strength relative to our competitors.

If we are not able to compete effectively, our user base and level of user engagement may decrease, which could make us less attractive to developers and marketers and materially and adversely affect our revenue and results of operations.

We may not be successful in our efforts to grow usage of and engagement with the Facebook Platform.

We have made and are continuing to make investments to enable developers to build applications (apps) and websites that integrate with the Facebook Platform. Existing and prospective Platform developers may not be successful in building apps or websites 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 on the Facebook Platform. We are continuously seeking to balance the distribution objectives of our Platform 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 Platform developers. From time to time, we have taken actions to reduce the volume of communications from Platform 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 apps and websites. In some instances, these actions have adversely affected our relationships with Platform developers. If we are not successful in our efforts to grow our Platform or if we are unable to build and maintain good relations with Platform 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 the Facebook Platform.

We currently monetize the Facebook Platform in several ways, including ads on pages generated by apps on Facebook, direct advertising on Facebook purchased by Platform developers to drive traffic to their apps and websites, and fees from our Platform developers' use of our Payments infrastructure to sell virtual and digital goods to users accessing Facebook via personal computers. Apps built by developers of social games are currently responsible for substantially all of our revenue derived from Payments. While we have expanded the number of developers using our Payments infrastructure, our overall Payments revenue may decrease or stay flat in future periods. In addition, a relatively small percentage of our users have transacted with Facebook Payments. If the Platform apps that currently generate revenue fail to grow or maintain their users and engagement, if Platform developers do not continue to introduce new apps that attract users and create engagement, if Platform developers reduce their advertising on Facebook, if we fail to maintain good relationships with Platform developers or attract new developers, or if Platform apps outside of social games do not gain popularity and generate significant revenue for us, our financial performance and ability to grow revenue could be adversely affected.

Additionally, we are actively supporting Platform developers' efforts to develop their own mobile apps and websites that

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integrate with Facebook. Unlike apps that run within the Facebook website which enable us to show ads and offer Payments, we generally do not directly monetize from Platform developers' integrating their own mobile apps and websites with Facebook. Therefore, our Platform developers' efforts to prioritize Facebook integrations with their own mobile apps or websites 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 websites and mobile apps, 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 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 in their country, restrict access to Facebook from their country entirely, or impose other restrictions that may affect the accessibility of Facebook 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 Facebook if they consider us to be in violation of their laws. In the event that access to Facebook 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.

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 will depend heavily on our ability to create successful new products, both independently and in conjunction with Platform developers or other third parties. We may introduce significant changes to our existing products or develop and introduce new and unproven products, including using technologies with which we have little or no prior development or operating experience. If new or enhanced products fail to engage users, developers, or marketers, 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. In the future, we may invest in new products and initiatives to generate revenue, but there is no guarantee these approaches will be successful. For example, in 2012, we launched our Gifts product that enables users to send physical or digital gifts to friends. To date, we have not generated meaningful revenue from this product and we may not be successful in generating meaningful revenue in the future. If we are not successful with new approaches to monetization, we may not be able to maintain or grow our revenue as anticipated or recover any associated development costs, and our financial results could be adversely affected.

Our culture emphasizes rapid innovation and prioritizes user engagement over short-term financial results.

We have a culture that encourages employees to quickly develop and launch new and innovative products. As our business grows and becomes more complex, our cultural emphasis on moving quickly may result in unintended outcomes or decisions that are poorly received by users, developers, or marketers. Our culture also prioritizes user engagement over short-term financial results, and 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. These decisions may not produce the long-term benefits that we expect, in which case our user growth and engagement, our relationships with developers and marketers, 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, developers, and marketers 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, developers, and marketers. 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 Platform developers may affect our brand if users do not have a positive experience using third-party apps and websites integrated with Facebook. We have in the past experienced, and we expect that in the future we will 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. Maintaining and enhancing our brand may require us to make substantial investments and these investments may not be successful. 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 our users' information, or violation of our terms of service or policies, could harm our reputation and adversely affect our business.

Our efforts to protect the information that our users have chosen to share using Facebook may be unsuccessful due to the actions of third parties, software bugs or other technical malfunctions, employee error or malfeasance, 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. Our Data Use Policy governs the use of information that users have chosen to share using Facebook and how that information may be used by us and third parties. Some Platform developers may store information provided by our users through apps on the Facebook Platform or websites integrated with Facebook. If these third parties or Platform 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 or disclosed.

Any incidents involving unauthorized access to or improper use of the information of our users 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 action 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, product changes, product quality, litigation or regulatory activity, or the actions of our Platform developers or our users, 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 of ads shown to users;

• the pricing of our ads and other products;

• the rate of growth in mobile usage compared to usage through personal computers, and our ability to monetize 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 may incur to grow and expand our operations and to remain competitive;

• our ability to maintain gross margins and operating margins;

• costs related to the acquisition of businesses, talent, technologies or intellectual property, including potentially significant amortization costs;

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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 Facebook due to third-party actions;

• share-based compensation 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 the financial results of our international subsidiaries;

• 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 may decline in the future.

We believe that our rates of user and revenue growth may decline over time. For example, our revenue grew 88% from 2010 to 2011 and 37% from 2011 to 2012. Historically, our user growth has been a primary driver of growth in our revenue. While our periodic rates of growth may be flat or increase from time to time, 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 higher market penetration rates. 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.

Providing our products to our users 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, as we develop and implement new product features that require more computing infrastructure. 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 our global infrastructure in order to provide our products rapidly and reliably to all users around the world, including in countries where we do not expect significant short-term monetization. In addition, our costs may increase as we hire additional employees, particularly as a result of the significant competition that we face to attract and retain technical talent. Our expenses may continue to grow faster than our revenue over time. Our expenses may be greater than we anticipate, and our investments may not be successful. In addition, we may 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 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 user privacy, rights of publicity, data protection, content, intellectual property, distribution, electronic contracts and other communications, competition, protection of minors, consumer protection, taxation, securities law compliance, and online payment services. The introduction of new products may subject us to additional laws and regulations. For example, depending on how our new Gifts product evolves, we may be subject to laws and regulations governing returns, taxability of purchases, purchase of restricted products such as alcohol, product liability, and international import and export restrictions. In addition, foreign data protection, privacy, and other laws and regulations are often 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

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uncertain, particularly in the new and rapidly evolving industry in which we operate. 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, as well as our terms of use. 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 data processors that are more stringent than those currently in place in the European Union, and that may also include significant penalties for non-compliance. Similarly, there have been a number of recent legislative proposals in the United States, at both the federal and state level, that would impose new obligations in areas such as privacy and liability for copyright infringement by third parties. 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 inquiries from regulators regarding our compliance with laws and other matters. For example, in 2012, the Federal Trade Commission approved a settlement agreement with us that, among other things, requires us to establish and refine certain practices with respect to treatment of user data and privacy settings and also requires that we complete bi-annual independent privacy assessments. As another example, 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.

It is possible that a regulatory inquiry might result in changes to our policies or practices. 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 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.

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 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 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

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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 new products, including in areas where we currently do not compete, 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 which claim statutory damages, and we anticipate that we will continue to be a target for numerous lawsuits in the future. Because we have 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. Any negative outcome from such lawsuits could result in payments of substantial monetary damages or fines, or 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, following our IPO, we became the subject of stockholder class action suits. 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 as of March 31, 2013. Mr. Zuckerberg 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.

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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 results.

As part of our business strategy, we have made and intend to make acquisitions to add specialized employees, complementary companies, products, or technologies. Our ability to acquire and integrate larger or more complex companies, products, or technologies in a successful manner is unproven. In the future, we may not be able to find other suitable acquisition candidates, and we may not be able to complete acquisitions on favorable terms, if at all. Any future acquisitions we complete could be viewed negatively by users, developers, marketers, or investors, and our acquisitions may not achieve our goals. For example, in August 2012, we acquired Instagram, but we are still focused on user growth and the users' experience and do not yet derive any direct revenue from Instagram. In addition, if we fail to successfully close or integrate any acquisitions, integrate the products or technologies associated with such acquisitions into our company, or identify and address liabilities associated with the acquired business or assets, our business, revenue, and operating results could be adversely affected. Any integration process may require significant time and resources, and we may not be able to manage the process successfully. We may not successfully evaluate or utilize the acquired products, technology, or personnel, or accurately forecast the financial impact of an acquisition transaction, including accounting charges. In addition, our ability to conduct 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. Despite our efforts, there could be significant liabilities or deficiencies associated with the business, assets, products, financial condition or accounting practices related to the assets or companies we acquire. In addition, we may have to pay cash or incur debt to pay for acquisitions, which could adversely affect our financial results and liquidity. 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. The incurrence of indebtedness would result in increased fixed obligations and could also include covenants or other restrictions that would impede our ability to manage our 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 Facebook 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 return to our website 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 that is highly technical and complex. In addition, our products and internal systems depend on the ability of our software to store, retrieve, process, and manage immense amounts of data. Our software has contained, and may now or in the future contain, undetected errors, bugs, or vulnerabilities. Some errors in our software may only be discovered after the code has been released for external or internal use. Errors or other design defects within our software may result in a negative experience for users and marketers who use our products, delay product introductions or enhancements, or

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result in measurement or billing errors. Any errors, bugs, or defects discovered in our software 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 of our DAUs, MAUs, and mobile MAUs and average revenue per user (ARPU) 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 approximately 5.0% of our worldwide MAUs as of December 31, 2012. 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. As of December 31, 2012, for example, we estimate user-misclassified accounts may have represented approximately 1.3% of our worldwide MAUs and undesirable accounts may have represented approximately 0.9% 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 Australia and higher in developing markets such as Indonesia 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.

Some of our historical metrics through the second quarter of 2012 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 and 2010 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. Our estimates for revenue by user location and revenue by user device are also affected by these factors. We regularly review and may adjust our processes for calculating these metrics to improve their accuracy. 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. 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 4,900 as of March 31, 2013 from 3,539 as of March 31, 2012, 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, Platform 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,

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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 hire a significant number of technical personnel in 2013, 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 gives 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 and our ability to retain existing users and attract new users.

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 we have to attempt to defeat spamming attacks will be able to eliminate all 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 the Facebook Platform 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 the Facebook Platform to purchase virtual and digital goods from our Platform developers using our Payments infrastructure. Depending on how our Payments product evolves, we may be subject to a variety of laws and regulations in the United States, Europe, and elsewhere, including those governing money transmission, gift cards and other prepaid access instruments, electronic funds transfers, anti-money laundering, counter-terrorist financing, gambling, banking and lending, and import and export restrictions. 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 applied for and received certain money transmitter licenses in the United States and expect to apply 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

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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 the Facebook Platform, 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 20 different countries. We may enter new international markets where we have limited or no experience in marketing, selling, and deploying our products. For example, we continue to evaluate entering China. However, this market has substantial legal and regulatory complexities that have prevented our entry into China to date. 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 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;

• 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;

• 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 have a substantial amount of indebtedness which could adversely affect our financial condition and our ability to obtain additional capital on reasonable terms when required.

As of March 31, 2013, we had $1.5 billion outstanding under our term loan facility. By drawing on our term loan facility, our interest expense and principal repayment requirements have increased significantly, which could have an adverse effect on our financial results.

In addition, we may require additional capital to support our business growth or to respond to business opportunities, challenges or unforeseen circumstances. We also expect to expend substantial amounts to fund tax withholding and remittance obligations related to the vesting and settlement of restricted stock units (RSUs) in the future if we continue to net settle such RSUs. Our ability to obtain additional capital, if and when required, will depend on our business plans, investor demand, our

46

operating performance, the condition of the capital markets, and other factors, and our substantial indebtedness may limit our ability to borrow such additional funds. 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 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 and data centers. In addition, we have a revolving credit facility that we may draw upon to finance our operations or other corporate purposes, and have a term loan facility, from which we drew $1.5 billion to fund a portion of our tax withholding and remittance obligations in connection with the settlement of RSUs. 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 facilities;

• terminate our leasing arrangements and credit facilities;

• terminate our access to the leased data centers 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. 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 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, other countries are considering changes to their tax regimes in an effort to raise additional tax proceeds from companies such as Facebook. 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.

47

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 $45.00 through March 31, 2013. 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 common stock being sold into the market by us or our existing stockholders 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 Platform developers and competitors;

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

• media coverage of our business and financial performance;

• lawsuits threatened or filed against us;

• developments in new legislation and pending lawsuits or regulatory actions, including interim or final rulings by 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. Following our IPO, the events surrounding the offering became the subject of securities litigation. 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.

Substantially all of our total outstanding shares are available for sale into the public market and any substantial sales of our stock could cause the price of our Class A common stock to decline.

The price of our Class A common stock could decline if there are substantial sales of our common stock, particularly sales by our directors, executive officers, employees, and significant stockholders, or when there is a large number of shares of our common stock available for sale. As of March 31, 2013, there were 1,740,598,009 shares of our Class A common stock and 670,450,341 shares of our Class B common stock outstanding. Shares of our Class B common stock are convertible into an equivalent number of shares of our Class A common stock and generally convert into shares of our Class A common stock upon transfer.

As of March 31, 2013, substantially all of our outstanding shares are available for sale into the market, except for 47,315,862 shares held by Mail.ru Group Limited and DST Global Limited and their respective affiliates, which will be eligible for sale in the public market on May 18, 2013, and 426 million outstanding shares and 60 million shares issuable upon the exercise of an

48

option held by Mark Zuckerberg. Mr. Zuckerberg has informed us that he has no intention to conduct any sale transactions in our securities until at least September 2013.

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 facilities contain restrictions on our ability to pay dividends.

If we are unable to implement and 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 required to maintain internal controls over financial reporting and to report any material weaknesses in such internal controls. In addition, beginning with our 2013 Annual Report on Form 10-K to be filed in 2014, we will be required to furnish a report by management on the effectiveness of our internal control over financial reporting pursuant to Section 404 of the Sarbanes-Oxley Act. We are in the process of designing, implementing, and testing the internal control over financial reporting required to comply with this obligation, which process is time consuming, costly, and complicated. If we identify material weaknesses in our internal control over financial reporting, 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, or if our independent registered public accounting firm is unable to express an opinion as to the effectiveness of our internal control over financial reporting, 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, and we 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 Sarbanes-Oxley Act, 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 may/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. Although we have hired additional employees to comply with these requirements, we may need to hire more employees in the future, which will increase our costs and expenses.

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 also with employees and directors and their affiliates; 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 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.

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

49

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

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

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

a) Sales of Unregistered Securities

On February 25, 2013, we issued 6,562,832shares of our Class A common stock as consideration to 22 individuals and three entities in connection with our acquisition of all the outstanding shares of a company.

The sales of the above securities were exempt from registration under the Securities Act of 1933, as amended (Securities Act), in reliance upon Section 4(2) of the Securities Act as transactions by an issuer not involving any public offering. The recipients of the securities in each of these transactions represented their intentions to acquire the securities for investment only and not with a view to or for sale in connection with any distribution thereof, and appropriate legends were placed upon any stock certificates or book-entry entitlements issued in this transaction.

b) Use of Proceeds

On May 17, 2012, our registration statement on Form S-1 (File No. 333-179287) was declared effective by the SEC for our IPO pursuant to which we sold an aggregate of 180,000,000 shares of our Class A common stock at a price to the public of $38.00 per share. There has been no material change in the planned use of proceeds from our IPO as described in our final prospectus filed with the SEC on May 18, 2012 pursuant to Rule 424(b).

c) Issuer Purchases of Equity Securities

None.

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Item 6. Exhibits

Exhibit		Incorporated by Reference				Filed Herewith
Number	Exhibit Description	Form	File No.	Exhibit	Filing Date
10.1	Amended and Restated Offer Letter, dated January 27, 2012, between Registrant and David B. Fischer					X
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 A. Ebersman, 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 A. Ebersman, 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.

* Pursuant to applicable securities laws and regulations, these interactive data files are deemed not filed or part of a registration statement or prospectus for purposes of sections 11 or 12 of the Securities Act, are deemed not filed for purposes of section 18 of the Exchange Act and otherwise are not subject to liability under these sections.

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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 2nd day of May 2013.

	FACEBOOK, INC.
Date: May 2, 2013	/s/ DAVID A. EBERSMAN
	David A. Ebersman Chief Financial Officer (Principal Financial Officer)
Date: May 2, 2013	/s/ DAVID M. SPILLANE
	David M. Spillane Chief Accounting Officer (Principal Accounting Officer)

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EX-10.1

EXHIBIT 10.1

January 27, 2012

David Fischer

Facebook, Inc.

1601 Willow Road

Menlo Park, CA 94025

Dear David:

This letter agreement amends and restates the offer letter entered into between you and Facebook, Inc. (the “Company”), dated March 23, 2010.

You will continue to work at the Company's Menlo Park office in the role of Vice President, Marketing and Business Partnerships, reporting to Sheryl Sandberg.

1.Compensation.

a.Base Wage. In thisposition, you will earn a starting salary of $225,000 per year. Your wages will be payable in two equal payments per month pursuant to the Company's regular payroll policy. Your pay will be periodically reviewed as a part of the Company's regular reviews of compensation.

b.Potential Variable Compensation. You will be assigned a sales revenue quota (“Quota”). Your Quota may be reviewed and revised by the Chief Operating Officer, or her designee, in her sole discretion. For example, your Quota may be revised to reflect an organizational change that results in the modification of account lists. You will be eligible to be paid incentive compensation, in amounts to be determined by the Company, in a manner tied to achievement of your Quota.

c.Equity Awards. The Company acknowledges that it has previously issued equity awards to you under the Company's 2005 Stock Plan. Nothing in this letter agreement will amend or affect the terms of such awards.

2.Employee Benefits.

a.Paid Time Off. Subject to the Company's PTO policy, you will be eligible to accrue up to 21 days of PTO per calendar year, pro-rated for the remainder of this calendar year.

b.Group Plans. The Company 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.Confidentiality Agreement. By signing this letter agreement, you reaffirm the terms and conditions of the Confidential Information and Invention Assignment Agreement (the “Confidentiality Agreement”) by and between you and the Company, dated March 23, 2010.

4.No Conflicting Obligations. You understand and agree that by signing this letter agreement, 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 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.

5.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. 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.

6.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 policies and procedures. The Company is an equal opportunity employer.

7.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 for any reason or no reason. The Company also reserves the right to modify or amend the terms of your employment at any time for any reason. Any contrary representations which may have been made to you are superseded by this letter agreement. This is the full and complete agreement between you and the Company on this term. Although your job duties, title, 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 you and the Company's Chief Executive Officer.

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

This letter agreement supersedes and replaces any prior understandings or agreements, whether oral, written or implied, between you and the Company regarding the matters described in this letter. This letter will be governed by the laws of California, without regard to its conflict of laws provisions.

Very truly yours,

FACEBOOK, INC.

/s/ Theodore W. Ullyot

By: Theodore W. Ullyot

Vice President, General Counsel and Secretary

ACCEPTED AND AGREED:

David Fischer

/s/ David Fischer

Signature

January 30, 2012

Date

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)) 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) 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

c) 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: May 2, 2013
	/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 A. Ebersman, 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)) 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) 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

c) 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: May 2, 2013
	/s/ DAVID A. EBERSMAN
	David A. Ebersman
	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 March 31, 2013 (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: May 2, 2013
	/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 A. Ebersman, 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 March 31, 2013 (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: May 2, 2013
	/s/ DAVID A. EBERSMAN
	David A. Ebersman
	Chief Financial Officer
	(Principal Financial Officer)

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Stockholders' Equity - Additional Award Disclosures (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2013
Share-based Compensation Arrangement by Share-based Payment Award
Future period share-based compensation expense	$ 2,210
Future period share-based compensation expense period of recognition	3 years
Restricted shares and stock options
Share-based Compensation Arrangement by Share-based Payment Award
Future period share-based compensation expense	359
Restricted Stock Units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award
Future period share-based compensation expense	$ 1,850
Share-based compensation arrangement, by share-based payment award, number of shares approved for annual grant	35

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Long-term Debt - Derivative (Details) (USD $)	3 Months Ended		1 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Oct. 25, 2012 Interest Rate Swap	Oct. 25, 2012 Amended and Restated Term Loan Interest Rate Swap Cash Flow Hedging	Mar. 31, 2013 Significant Other Observable Inputs (Level 2) Fair Value, Measurements, Recurring	Dec. 31, 2012 Significant Other Observable Inputs (Level 2) Fair Value, Measurements, Recurring
Derivative
Notional amount of interest rate derivatives				$ 1,500,000,000
Derivative, description of variable rate basis			one-month LIBOR
Derivative, fixed interest rate				1.46%
Unrealized gain on derivative, net of tax	1,000,000	0
Derivative financial instruments					3,000,000	4,000,000
Derivative instruments, gain (loss) reclassification from accumulated OCI to income, estimated net amount to be transferred	$ 3,000,000

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Geographical Information (Tables)

3 Months Ended

Mar. 31, 2013

Segments, Geographical Areas [Abstract]

Revenue by Geographic Area

Revenue by geography is based on the billing address of the advertiser or Platform developer. The following tables set forth revenue and long-lived assets by geographic area (in millions):

	Three Months Ended March 31,
	2013		2012
Revenue:
United States	$	681	$	536
Rest of the world (1)	777		522
Total revenue	$	1,458	$	1,058

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

Property and Equipment, Net by Geographic Area

	March 31, 2013		December 31, 2012
Long-lived assets:
United States	$	2,150	$	2,110
Rest of the world (1)	383		281
Total long-lived assets	$	2,533	$	2,391

(1) No individual country exceeded 10% of our total long-lived assets for any period presented

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Geographical Information - Long-Lived Assets (Details) (USD $) In Millions, unless otherwise specified	Mar. 31, 2013		Dec. 31, 2012
Long-Lived Assets by Geographical Area
Property and equipment, net	$ 2,533		$ 2,391
United States
Long-Lived Assets by Geographical Area
Property and equipment, net	2,150		2,110
Rest of World
Long-Lived Assets by Geographical Area
Property and equipment, net	$ 383	[1]	$ 281	[1]

[1] No individual country exceeded 10% of our total long-lived assets for any period presented

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Stockholders' Equity - Restricted Stock Units (Details) (Restricted Stock Units (RSUs), USD $)	3 Months Ended
	Mar. 31, 2013
Restricted Stock Units (RSUs)
Outstanding RSUs
Non-vested at beginning of period (in shares)	113,044
Granted (in shares)	3,135
Vested (in shares)	(16,797)
Forfeited (in shares)	(2,305)
Non-vested at end of period (in shares)	97,077
Weighted Average Grant Date Fair Value
Non-vested at beginning of period	$ 21.38
Granted	$ 28.65
Vested	$ 16.38
Forfeited	$ 22.43
Non-vested at end of period	$ 22.46

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Cash and Cash Equivalents, and Marketable Securities

3 Months Ended

Mar. 31, 2013

Cash and Cash Equivalents, and Marketable Securities [Abstract]

Cash and Cash Equivalents, and Marketable Securities

Cash, Cash Equivalents and Marketable Securities

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

	March 31, 2013		December 31, 2012
Cash and cash equivalents:
Cash	$	1,166	$	1,513
Cash equivalents:
Money market funds	1,159		871
Total cash and cash equivalents	2,325		2,384
Marketable securities:
U.S. government securities	4,793		5,165
U.S. government agency securities	2,354		2,077
Total marketable securities	7,147		7,242
Total cash, cash equivalents and marketable securities	$	9,472	$	9,626

The gross unrealized gains or losses on our marketable securities as of March 31, 2013 and December 31, 2012 were not significant. In addition, there were no securities in a continuous loss position for 12 months or longer as of March 31, 2013 and December 31, 2012.

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

	March 31, 2013
Due in one year	$	4,389
Due in one to two years	2,758
Total	$	7,147

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Fair Value Measurements (Details) (Fair Value, Measurements, Recurring, USD $) In Millions, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012	May 31, 2012
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	$ 8,306	$ 8,113
Quoted Prices in Active Markets for Identical Assets (Level 1) | Money Market Funds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Cash equivalents	1,159	871
Quoted Prices in Active Markets for Identical Assets (Level 1) | US Government Securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Marketable securities	4,793	5,165
Quoted Prices in Active Markets for Identical Assets (Level 1) | US Government Agency Securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Marketable securities	2,354	2,077
Significant Other Observable Inputs (Level 2)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Total cash equivalents and marketable securities	0	0
Derivative financial instruments	3	4
Significant Other Observable Inputs (Level 2) | Money Market Funds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Cash equivalents	0	0
Significant Other Observable Inputs (Level 2) | US Government Securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Marketable securities	0	0
Significant Other Observable Inputs (Level 2) | US Government Agency Securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Marketable securities	0	0
Significant Unobservable Inputs (Level 3)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Total cash equivalents and marketable securities	0	0
Contingent consideration liability	4	4	6
Significant Unobservable Inputs (Level 3) | Money Market Funds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Cash equivalents	0	0
Significant Unobservable Inputs (Level 3) | US Government Securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Marketable securities	0	0
Significant Unobservable Inputs (Level 3) | US Government Agency Securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Marketable securities	0	0
Estimate of Fair Value, Fair Value Disclosure
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Total cash equivalents and marketable securities	8,306	8,113
Contingent consideration liability	4	4
Derivative financial instruments	3	4
Estimate of Fair Value, Fair Value Disclosure | Money Market Funds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Cash equivalents	1,159	871
Estimate of Fair Value, Fair Value Disclosure | US Government Securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Marketable securities	4,793	5,165
Estimate of Fair Value, Fair Value Disclosure | US Government Agency Securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Marketable securities	$ 2,354	$ 2,077

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Cash, Cash Equivalents, and Marketable Securities - Contractual Maturities of Debt Securities (Details) (USD $) In Millions, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Cash and Cash Equivalents, and Marketable Securities [Abstract]
Due in one year	$ 4,389
Due in one to two years	2,758
Marketable securities	$ 7,147	$ 7,242

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Property and Equipment (Detail) (USD $) In Millions, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Property, Plant and Equipment
Property and equipment, gross	$ 3,535	$ 3,273
Less: accumulated depreciation	(1,002)	(882)
Property and equipment, net	2,533	2,391
Network Equipment
Property, Plant and Equipment
Property and equipment, gross	2,009	1,912
Land
Property, Plant and Equipment
Property and equipment, gross	36	36
Buildings
Property, Plant and Equipment
Property and equipment, gross	896	594
Leasehold Improvements
Property, Plant and Equipment
Property and equipment, gross	199	194
Computer software, office equipment and other
Property, Plant and Equipment
Property and equipment, gross	96	93
Construction in Progress
Property, Plant and Equipment
Property and equipment, gross	$ 299	$ 444

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Goodwill and Intangible Assets (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Dec. 31, 2012
Goodwill and Intangible Assets Disclosure
Patents and business acquistions, amount	$ 132
Payments to acquire businesses net of cash acquired and purchases of intangible assets	99	25
Acquisitions, number of shares issued included in purchase consideration	1.2
Acquisitions, number of shares issued excluded from purchase consideration	5.4
Gross Carrying Amount	989		911
Accumulated Amortization	(142)		(110)
Net Carrying Amount	847		801
Amortization expense	33	5
Goodwill
Goodwill beginning	587
Goodwill acquired	67
Goodwill ending	654
Finite-Lived Intangible Assets, Amortization Expense, Maturity Schedule [Abstract]
The remainder of 2013	102
2014	129
2015	121
2016	110
2017	94
2018	66
Thereafter	225
Net Carrying Amount	847		801
Acquired patents
Goodwill and Intangible Assets Disclosure
Gross Carrying Amount	738		684
Accumulated Amortization	(74)		(53)
Net Carrying Amount	664		631
Finite-Lived Intangible Assets, Amortization Expense, Maturity Schedule [Abstract]
Net Carrying Amount	664		631
Acquired technology
Goodwill and Intangible Assets Disclosure
Gross Carrying Amount	157		133
Accumulated Amortization	(38)		(32)
Net Carrying Amount	119		101
Finite-Lived Intangible Assets, Amortization Expense, Maturity Schedule [Abstract]
Net Carrying Amount	119		101
Tradename and other
Goodwill and Intangible Assets Disclosure
Gross Carrying Amount	94		94
Accumulated Amortization	(30)		(25)
Net Carrying Amount	64		69
Finite-Lived Intangible Assets, Amortization Expense, Maturity Schedule [Abstract]
Net Carrying Amount	$ 64		$ 69
Minimum | Acquired patents
Goodwill and Intangible Assets Disclosure
Useful lives from date of acquisitions	3 years
Minimum | Acquired technology
Goodwill and Intangible Assets Disclosure
Useful lives from date of acquisitions	2 years
Minimum | Tradename and other
Goodwill and Intangible Assets Disclosure
Useful lives from date of acquisitions	2 years
Maximum | Acquired patents
Goodwill and Intangible Assets Disclosure
Useful lives from date of acquisitions	18 years
Maximum | Acquired technology
Goodwill and Intangible Assets Disclosure
Useful lives from date of acquisitions	10 years
Maximum | Tradename and other
Goodwill and Intangible Assets Disclosure
Useful lives from date of acquisitions	7 years

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Earnings per Share

3 Months Ended

Mar. 31, 2013

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. Prior to the date of our initial public offering (IPO) in May 2012, we considered all series of our convertible preferred stock to be participating securities due to their non-cumulative dividend rights. Immediately after the completion of our IPO, all outstanding shares of convertible preferred stock converted to Class B common stock. Additionally, 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 these participating securities are subtracted from net income in determining net income attributable to common stockholders. Net losses, if any, are not allocated to these participating securities. 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 from Class B common stock, while the diluted EPS of Class B common stock does not assume the conversion of those shares. 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.

Restricted stock units (RSUs) granted prior to January 1, 2011 vest upon the satisfaction of both a service condition and a liquidity condition. The liquidity condition is satisfied upon the occurrence of a qualifying event, defined as a change of control transaction or six months following the completion of our IPO. Our IPO did not occur until May 2012. Therefore, prior to this date the holders of these RSUs had no rights in our undistributed earnings and accordingly, they are excluded from the effect of basic and dilutive securities in our EPS calculation for the three months ended March 31, 2012. However, subsequent to the completion of our IPO in May 2012, these RSUs were included in our basic and diluted EPS calculation. RSUs granted on or after January 1, 2011 (Post-2011 RSUs) are not subject to a liquidity condition in order to vest, and are thus included in the calculation of diluted EPS for the three months ended March 31, 2013 and 2012. We have excluded 18 million Post-2011 RSUs from the EPS calculation for the three months ended March 31, 2013 because the impact would be anti-dilutive. No shares were excluded from the calculation for the three months ended March 31, 2012.

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 are calculated as follows (in millions, except per share amounts):

	Three Months Ended March 31,
	2013				2012
	Class A		Class B		Class A		Class B
Basic EPS:
Numerator
Net income	$	156	$	63	$	18	$	187
Less: Net income attributable to participating securities	1		1		6		62
Net income attributable to common stockholders	$	155	$	62	$	12	$	125
Denominator
Weighted average shares outstanding	1,709		691		117		1,233
Less: Shares subject to repurchase	4		10		—		3
Number of shares used for basic EPS computation	1,705		681		117		1,230
Basic EPS	$	0.09	$	0.09	$	0.10	$	0.10
Diluted EPS:
Numerator
Net income attributable to common stockholders	$	155	$	62	$	12	$	125
Reallocation of net income attributable to participating securities	2		—		5		—
Reallocation of net income as a result of conversion of Class B to Class A common stock	62		—		125		—
Reallocation of net income to Class B common stock	—		7		—		6
Net income attributable to common stockholders for diluted EPS	$	219	$	69	$	142	$	131
Denominator
Number of shares used for basic EPS computation	1,705		681		117		1,230
Conversion of Class B to Class A common stock	681		—		1,230		—
Weighted average effect of dilutive securities:
Employee stock options	80		80		169		169
RSUs	29		29		9		9
Shares subject to repurchase	4		4		2		2
Number of shares used for diluted EPS computation	2,499		794		1,527		1,410
Diluted EPS	$	0.09	$	0.09	$	0.09	$	0.09

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Long-term Debt - Borrowings (Details) (USD $)			3 Months Ended	1 Months Ended
	Mar. 31, 2013	Dec. 31, 2012	Mar. 31, 2013 Revolving Credit Facility Unsecured Five Year Revolving Credit Facility 2012	Oct. 25, 2012 Unsecured debt Amended and Restated Term Loan
Debt Instrument
Line Of Credit Maturity Period			5 years
Line of credit facility, maximum borrowing capacity			$ 5,000,000,000
Debt instrument, interest rate during period			London Interbank Offered Rate (LIBOR)	LIBOR
Basis spread on variable rate			1.00%	1.00%
Line of credit facility, unused capacity, commitment fee percentage			0.10%
Line of credit facility, amount outstanding			0
Term loan facility, term period				3 years
Debt Instrument, Face Amount				1,500,000,000
Debt Instrument, Unused Capacity, Commitment Fee Percentage				0.10%
Long-term debt	$ 1,500,000,000	$ 1,500,000,000		$ 1,500,000,000

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Income Taxes (Detail) (USD $) In Millions, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Income Tax Disclosure [Abstract]
Income tax refundable	$ 426	$ 451
Unrecognized tax benefits	352	164
Unrecognized tax benefits that would impact effective tax rate	$ 247

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CONDENSED CONSOLIDATED BALANCE SHEETS (UNAUDITED) (USD $) In Millions, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Current assets:
Cash and cash equivalents	$ 2,325	$ 2,384
Marketable securities	7,147	7,242
Accounts receivable, net of allowances for doubtful accounts of $21 and $22 as of March 31, 2013 and December 31, 2012, respectively	659	719
Income tax refundable	426	451
Prepaid expenses and other current assets	485	471
Total current assets	11,042	11,267
Property and equipment, net	2,533	2,391
Goodwill and intangible assets, net	1,501	1,388
Other assets	87	57
Total assets	15,163	15,103
Current liabilities:
Accounts payable	75	65
Platform partners payable	190	169
Accrued expenses and other current liabilities	430	423
Deferred revenue and deposits	30	30
Current portion of capital lease obligations	338	365
Total current liabilities	1,063	1,052
Capital lease obligations, less current portion	420	491
Long-term debt	1,500	1,500
Other liabilities	356	305
Total liabilities	3,339	3,348
Stockholders' equity:
Common stock, $0.000006 par value; 5,000 million Class A shares authorized, 1,741 million and 1,671 million shares issued and outstanding, including 7 million and 2 million outstanding shares subject to repurchase as of March 31, 2013 and December 31, 2012, respectively; 4,141 million Class B shares authorized, 670 million and 701 million shares issued and outstanding, including 10 million and 11 million outstanding shares subject to repurchase as of March 31, 2013 and December 31, 2012, respectively	0	0
Additional paid-in capital	9,961	10,094
Accumulated other comprehensive (loss) income	(15)	2
Retained earnings	1,878	1,659
Total stockholders' equity	11,824	11,755
Total liabilities and stockholders' equity	$ 15,163	$ 15,103

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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Cash flows from operating activities
Net income	$ 219	$ 205
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	241	110
Loss on write-off of equipment	9	1
Share-based compensation	170	103
Deferred income taxes	(7)	(24)
Tax benefit from share-based award activity	59	54
Excess tax benefit from share-based award activity	(62)	(54)
Changes in assets and liabilities:
Accounts receivable	54	65
Prepaid expenses and other current assets	(1)	(33)
Other assets	(36)	(6)
Accounts payable	1	(3)
Platform partners payable	21	7
Accrued expenses and other current liabilities	(33)	2
Deferred revenue and deposits	0	3
Other liabilities	84	11
Net cash provided by operating activities	719	441
Cash flows from investing activities
Purchases of property and equipment	(327)	(453)
Purchases of marketable securities	(1,508)	(876)
Sales of marketable securities	699	69
Maturities of marketable securities	903	567
Investments in non-marketable equity securities	0	(1)
Acquisitions of businesses, net of cash acquired, and purchases of intangible assets	(99)	(25)
Change in restricted cash and deposits	6	(1)
Net cash used in investing activities	(326)	(720)
Cash flows from financing activities
Taxes paid related to net share settlement of equity awards	(405)	0
Proceeds from exercise of stock options	8	5
Proceeds from sale and lease-back transactions	0	62
Principal payments on capital lease obligations	(109)	(71)
Excess tax benefit from share-based award activity	62	54
Net cash provided by financing activities	(444)	50
Effect of exchange rate changes on cash and cash equivalents	(8)	(1)
Net decrease in cash and cash equivalents	(59)	(230)
Cash and cash equivalents at beginning of period	2,384	1,512
Cash and cash equivalents at end of period	2,325	1,282
Cash paid during the period for:
Interest	12	9
Income taxes	9	174
Non-cash investing and financing activities:
Fair value of shares issued related to acquisitions of businesses and other assets	33	6
Net Change in Accounts Payable Accrued Expenses And Other Current Liabilities
Non-cash investing and financing activities:
Property and equipment expenditures incurred but not yet paid	47	110
Capital Lease Obligations
Non-cash investing and financing activities:
Property and equipment expenditures incurred but not yet paid	$ 11	$ 38

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Stockholders' Equity - Share-based Compensation Plans (Detail)	3 Months Ended		3 Months Ended		1 Months Ended
	Mar. 31, 2013 2012 Plan	Dec. 31, 2012 2012 Plan plans	Mar. 31, 2013 2012 Plan Min	Mar. 31, 2013 2012 Plan Max	Nov. 30, 2005 2005 Officer's Stock Plan	Mar. 31, 2013 2005 Officer's Stock Plan
Share-based Compensation Arrangement by Share-based Payment Award
Share-based employee compensation plans, number		3
Share-based compensation arrangement by share-based payment award, expiration period	10 years
Share-based compensation arrangement by share-based payment award, expiration period for plan	10 years
2012 equity incentive plan shares authorized	25,000,000
Shares reserved for issuance increase date range			Jan. 01, 2013	Jan. 01, 2022
Non statutory stock option issued to CEO to purchase shares of Class B common stock					120,000,000
Options partially exercised and fully vested						60,000,000

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Property and Equipment (Tables)

3 Months Ended

Mar. 31, 2013

Property, Plant and Equipment [Abstract]

Property and equipment

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

	March 31, 2013			December 31, 2012
Network equipment	$	2,009		$	1,912
Land	36			36
Buildings	896			594
Leasehold improvements	199			194
Computer software, office equipment and other	96			93
Construction in progress	299			444
Total	3,535			3,273
Less: Accumulated depreciation	(1,002		)	(882		)
Property and equipment, net	$	2,533		$	2,391

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Stockholders' Equity - Stock Option Activity (Details) (USD $) In Millions, except Share data in Thousands, unless otherwise specified	3 Months Ended		12 Months Ended
	Mar. 31, 2013		Dec. 31, 2012
Aggregate Intrinsic Value(2)
Common stock, closing share price	$ 25.58
Stock Option
Number of Shares
Beginning balance	122,821
Stock options exercised	(11,196)
Ending balance	111,625		122,821
Stock options vested and expected to vest as of period end	111,384
Stock options exercisable as of period end	103,374
Weighted Average Exercise Price
Beginning Balance (in dollars per share)	$ 0.85
Stock options exercised (in dollars per share)	$ 0.68
Ending Balance (in dollars per share	$ 0.87		$ 0.85
Stock options vested and expected to vest as of period end (in dollars per share)	$ 0.86
Stock options exercisable as of period end (in dollars per share)	$ 0.32
Weighted- Average Remaining Contractual Term
Weighted- Average Remaining Contractual Term	3 years 5 months 22 days		3 years 9 months 15 days
Stock options vested and expected to vest as of period end	3 years 5 months 20 days
Stock options exercisable as of period end	3 years 2 months 15 days
Aggregate Intrinsic Value(2)
Aggregate Intrinsic Value	$ 2,758	[1]	$ 3,166	[1]
Stock options vested and expected to vest as of period end	2,753	[1]
Stock options exercisable as of period end	$ 2,611	[1]

[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 $25.58 on March 31, 2013.

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Stockholders' Equity (Tables)

3 Months Ended

Mar. 31, 2013

Equity [Abstract]

Stock Option Activity under Stock Plans

The following table summarizes the stock option activity under the Stock Plans during the three months ended March 31, 2013:

	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, 2012	122,821		$	0.85	3.79	$	3,166
Stock options exercised	(11,196	)	0.68
Balance as of March 31, 2013	111,625		$	0.87	3.48	$	2,758
Stock options vested and expected to vest as of March 31, 2013	111,384		$	0.86	3.47	$	2,753
Stock options exercisable as of March 31, 2013	103,374		$	0.32	3.21	$	2,611

(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 $25.58 on March 31, 2013.

Restricted Stock Units Award Activity

The following table summarizes the activities for our unvested RSUs for the three months ended March 31, 2013:

	Unvested RSUs
	Number of Shares		Weighted Average Grant Date Fair Value
	(in thousands)
Unvested at December 31, 2012	113,044		$	21.38
Granted	3,135		28.65
Vested	(16,797	)	16.38
Forfeited	(2,305	)	22.43
Unvested at March 31, 2013	97,077		$	22.46

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Summary of Significant Accounting Policies

3 Months Ended

Mar. 31, 2013

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, 2012.

The condensed consolidated balance sheet as of December 31, 2012, 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, 2013.

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, 2012 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 share-based awards, 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.

Recently Issued and Adopted Accounting Pronouncement 

Comprehensive Income

In February 2013, the Financial Accounting Standards Board issued Accounting Standards Update (ASU) No. 2013-02, Comprehensive Income (Topic 220): Reporting of Amounts Reclassified Out of Accumulated Other Comprehensive Income (ASU 2013-02) which is effective prospectively for public companies for reporting periods beginning after December 15, 2012. This new accounting standard improves the reporting of reclassifications out of accumulated other comprehensive income (AOCI) by requiring an entity to report the effect of significant reclassifications out of AOCI on the respective line items in net income if the amount being reclassified is required under GAAP to be reclassified in its entirety to net income. For other amounts that are not required under GAAP to be reclassified in their entirety to net income in the same reporting period, an entity is required to cross-reference other disclosures required under GAAP that provide additional detail about those amounts. We adopted this new guidance on January 1, 2013 and the adoption did not have a material effect on our condensed consolidated financial statements.

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CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $) In Millions, except Share data, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Current assets:
Accounts receivable, allowances for doubtful accounts	$ 21	$ 22
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	1,741,000,000	1,671,000,000
Common stock, shares outstanding	1,741,000,000	1,671,000,000
Common stock, outstanding shares subject to repurchase	7,000,000	2,000,000
Class B Common Stock
Stockholders' equity:
Common stock, shares authorized	4,141,000,000	4,141,000,000
Common stock, shares issued	670,000,000	701,000,000
Common stock, shares outstanding	670,000,000	701,000,000
Common stock, outstanding shares subject to repurchase	10,000,000	11,000,000

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Geographical Information

3 Months Ended

Mar. 31, 2013

Segments, Geographical Areas [Abstract]

Geographical Information

Geographical Information

Revenue by geography is based on the billing address of the advertiser or Platform developer. The following tables set forth revenue and long-lived assets by geographic area (in millions):

	Three Months Ended March 31,
	2013		2012
Revenue:
United States	$	681	$	536
Rest of the world (1)	777		522
Total revenue	$	1,458	$	1,058

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

	March 31, 2013		December 31, 2012
Long-lived assets:
United States	$	2,150	$	2,110
Rest of the world (1)	383		281
Total long-lived assets	$	2,533	$	2,391

(1) No individual country exceeded 10% of our total long-lived assets for any period presented

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Document and Entity Information	3 Months Ended
	Mar. 31, 2013	Apr. 30, 2013 Class A Common Stock	Apr. 30, 2013 Class B Common Stock
Document Information
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Mar. 31, 2013
Document Fiscal Year Focus	2013
Document Fiscal Period Focus	Q1
Trading Symbol	FB
Entity Registrant Name	FACEBOOK INC
Entity Central Index Key	0001326801
Current Fiscal Year End Date	--12-31
Entity Filer Category	Non-accelerated Filer
Entity Common Stock, Shares Outstanding		1,749,622,219	668,283,406

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Summary of Significant Accounting Policies (Policies)

3 Months Ended

Mar. 31, 2013

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, 2012.

The condensed consolidated balance sheet as of December 31, 2012, 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, 2013.

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, 2012 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 share-based awards, 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.

Recently Issued and Adopted Accounting Pronouncement

Recently Issued and Adopted Accounting Pronouncement 

Comprehensive Income

In February 2013, the Financial Accounting Standards Board issued Accounting Standards Update (ASU) No. 2013-02, Comprehensive Income (Topic 220): Reporting of Amounts Reclassified Out of Accumulated Other Comprehensive Income (ASU 2013-02) which is effective prospectively for public companies for reporting periods beginning after December 15, 2012. This new accounting standard improves the reporting of reclassifications out of accumulated other comprehensive income (AOCI) by requiring an entity to report the effect of significant reclassifications out of AOCI on the respective line items in net income if the amount being reclassified is required under GAAP to be reclassified in its entirety to net income. For other amounts that are not required under GAAP to be reclassified in their entirety to net income in the same reporting period, an entity is required to cross-reference other disclosures required under GAAP that provide additional detail about those amounts. We adopted this new guidance on January 1, 2013 and the adoption did not have a material effect on our condensed consolidated financial statements.

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CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (UNAUDITED) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Revenue	$ 1,458	$ 1,058
Costs and expenses:
Cost of revenue	413	277
Research and development	293	153
Marketing and sales	203	143
General and administrative	176	104
Total costs and expenses	1,085	677
Income from operations	373	381
Interest and other income (expense), net:
Interest expense	(15)	(13)
Other (expense) income, net	(5)	14
Income before provision for income taxes	353	382
Provision for income taxes	134	177
Net income	219	205
Less: Net income attributable to participating securities	2	68
Net income attributable to Class A and Class B common stockholders	217	137
Earnings per share attributable to Class A and Class B common stockholders:
Basic (in dollars per share)	$ 0.09	$ 0.10
Diluted (in dollars per share)	$ 0.09	$ 0.09
Weighted average shares used to compute earnings per share attributable to Class A and Class B common stockholders:
Basic (in dollars per share)	2,386	1,347
Diluted (in dollars per share)	2,499	1,527
Share-based compensation expense included in costs and expenses:
Share-based compensation expense	170	103
Cost of revenue
Share-based compensation expense included in costs and expenses:
Share-based compensation expense	8	5
Research and development
Share-based compensation expense included in costs and expenses:
Share-based compensation expense	117	60
Marketing and sales
Share-based compensation expense included in costs and expenses:
Share-based compensation expense	24	19
General and administrative
Share-based compensation expense included in costs and expenses:
Share-based compensation expense	$ 21	$ 19

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Goodwill and Intangible Assets

3 Months Ended

Mar. 31, 2013

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill and Intangible Assets

Goodwill and Intangible Assets

In the three months ended March 31, 2013, we completed several patent and business acquisitions for a total consideration of $132 million, consisting of approximately $99 million in cash and 1.2 million of vested shares of our Class A common stock which are not conditioned upon continuous employment. In addition, we issued 5.4 million shares of Class A common stock in connection with such acquisitions, which shares are conditioned upon continuous employment and have been excluded from purchase consideration and will be recognized over the required service period as share-based compensation expense. These acquisitions were not material to our condensed consolidated financial statements individually or in the aggregate.

The changes in the carrying amount of goodwill for the three months ended March 31, 2013 are as follows (in millions):

Balances at December 31, 2012	$	587
Goodwill acquired	67
Balance as of March 31, 2013	$	654

Intangible assets consisted of the following (in millions):

		March 31, 2013							December 31, 2012
	Useful lives from date of acquisitions (in years)	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
Amortizable intangible assets:
Acquired patents	3 - 18	$	738	$	(74	)	$	664	$	684	$	(53	)	$	631
Acquired technology	2 - 10	157		(38		)	119		133		(32		)	101
Tradename and other	2 - 7	94		(30		)	64		94		(25		)	69
Total		$	989	$	(142	)	$	847	$	911	$	(110	)	$	801

Amortization expense of intangible assets for the three months ended March 31, 2013 and 2012 was $33 million and $5 million, respectively.

As of March 31, 2013, estimated amortization expense for the unamortized acquired intangible assets for the next five years and thereafter is as follows (in millions):

The remainder of 2013	$	102
2014	129
2015	121
2016	110
2017	94
2018	66
Thereafter	225
	$	847

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Property and Equipment

3 Months Ended

Mar. 31, 2013

Property, Plant and Equipment [Abstract]

Property and Equipment

Property and Equipment

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

	March 31, 2013			December 31, 2012
Network equipment	$	2,009		$	1,912
Land	36			36
Buildings	896			594
Leasehold improvements	199			194
Computer software, office equipment and other	96			93
Construction in progress	299			444
Total	3,535			3,273
Less: Accumulated depreciation	(1,002		)	(882		)
Property and equipment, net	$	2,533		$	2,391

Construction in progress includes costs primarily related to the construction of data centers and equipment located in our data centers in Oregon, North Carolina and Sweden. Interest capitalized during the periods presented was not material.

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Goodwill and Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2013

Goodwill and Intangible Assets Disclosure [Abstract]

Changes in Carrying Amount of Goodwill

The changes in the carrying amount of goodwill for the three months ended March 31, 2013 are as follows (in millions):

Balances at December 31, 2012	$	587
Goodwill acquired	67
Balance as of March 31, 2013	$	654

Intangible Assets

Intangible assets consisted of the following (in millions):

		March 31, 2013							December 31, 2012
	Useful lives from date of acquisitions (in years)	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
Amortizable intangible assets:
Acquired patents	3 - 18	$	738	$	(74	)	$	664	$	684	$	(53	)	$	631
Acquired technology	2 - 10	157		(38		)	119		133		(32		)	101
Tradename and other	2 - 7	94		(30		)	64		94		(25		)	69
Total		$	989	$	(142	)	$	847	$	911	$	(110	)	$	801

Estimated Amortization Expense for Unamortized Acquired Intangible Assets

As of March 31, 2013, estimated amortization expense for the unamortized acquired intangible assets for the next five years and thereafter is as follows (in millions):

The remainder of 2013	$	102
2014	129
2015	121
2016	110
2017	94
2018	66
Thereafter	225
	$	847

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Earnings per Share (Tables)

3 Months Ended

Mar. 31, 2013

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 are calculated as follows (in millions, except per share amounts):

	Three Months Ended March 31,
	2013				2012
	Class A		Class B		Class A		Class B
Basic EPS:
Numerator
Net income	$	156	$	63	$	18	$	187
Less: Net income attributable to participating securities	1		1		6		62
Net income attributable to common stockholders	$	155	$	62	$	12	$	125
Denominator
Weighted average shares outstanding	1,709		691		117		1,233
Less: Shares subject to repurchase	4		10		—		3
Number of shares used for basic EPS computation	1,705		681		117		1,230
Basic EPS	$	0.09	$	0.09	$	0.10	$	0.10
Diluted EPS:
Numerator
Net income attributable to common stockholders	$	155	$	62	$	12	$	125
Reallocation of net income attributable to participating securities	2		—		5		—
Reallocation of net income as a result of conversion of Class B to Class A common stock	62		—		125		—
Reallocation of net income to Class B common stock	—		7		—		6
Net income attributable to common stockholders for diluted EPS	$	219	$	69	$	142	$	131
Denominator
Number of shares used for basic EPS computation	1,705		681		117		1,230
Conversion of Class B to Class A common stock	681		—		1,230		—
Weighted average effect of dilutive securities:
Employee stock options	80		80		169		169
RSUs	29		29		9		9
Shares subject to repurchase	4		4		2		2
Number of shares used for diluted EPS computation	2,499		794		1,527		1,410
Diluted EPS	$	0.09	$	0.09	$	0.09	$	0.09

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Stockholders' Equity

3 Months Ended

Mar. 31, 2013

Equity [Abstract]

Stockholders' Equity

Stockholders' Equity

Share-based Compensation Plans

We maintain three share-based employee compensation plans: the 2012 Equity Incentive Plan (2012 Plan), the 2005 Stock Plan and the 2005 Officers' 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. 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 of 2013 through 2022 based on a formula or as determined by the board of directors. We did not increase the number of shares reserved for issuance in 2013.

In November 2005, we issued a nonstatutory stock option to our CEO to purchase 120,000,000 shares of our Class B common stock under the 2005 Officers' Stock Plan. As of March 31, 2013, the option had been partially exercised in respect of 60,000,000 shares with the remainder remaining outstanding and fully vested, and no options were available for future issuance under the 2005 Officers' Stock Plan.

The following table summarizes the stock option activity under the Stock Plans during the three months ended March 31, 2013:

	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, 2012	122,821		$	0.85	3.79	$	3,166
Stock options exercised	(11,196	)	0.68
Balance as of March 31, 2013	111,625		$	0.87	3.48	$	2,758
Stock options vested and expected to vest as of March 31, 2013	111,384		$	0.86	3.47	$	2,753
Stock options exercisable as of March 31, 2013	103,374		$	0.32	3.21	$	2,611

(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 $25.58 on March 31, 2013.

The aggregate intrinsic value of the options exercised in the three months ended March 31, 2013 and 2012 was $311 million and $629 million, respectively.

The following table summarizes the activities for our unvested RSUs for the three months ended March 31, 2013:

	Unvested RSUs
	Number of Shares		Weighted Average Grant Date Fair Value
	(in thousands)
Unvested at December 31, 2012	113,044		$	21.38
Granted	3,135		28.65
Vested	(16,797	)	16.38
Forfeited	(2,305	)	22.43
Unvested at March 31, 2013	97,077		$	22.46

As of March 31, 2013, there was $2.21 billion of unrecognized share-based compensation expense, of which $1.85 billion is related to RSUs, and $359 million is related to restricted shares and stock options. This unrecognized compensation expense is expected to be recognized over a weighted-average period of approximately three years. Additionally, the compensation committee of our board of directors has approved annual refresher grants in the aggregate amount of approximately 35 million RSUs to be granted on May 6, 2013. These grants are not included in the table above and their fair value will be determined based on the closing price of our Class A common stock on the date of grant.

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Long-term Debt

3 Months Ended

Mar. 31, 2013

Debt Disclosure [Abstract]

Long-term Debt

Long-term Debt

We have an unsecured five-year revolving credit facility that allows us to borrow up to $5 billion at London Interbank Offered Rate (LIBOR) plus 1.0%, as well as an annual commitment fee of 0.10% on the daily undrawn balance. As of March 31, 2013, no amounts were drawn down and we were in compliance with the covenants under this credit facility.

We also have a three-year unsecured term loan facility (Amended and Restated Term Loan) expiring in October 2015, that allows us to borrow up to $1.5 billion 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 fully drew down the $1.5 billion which will become due and payable on October 25, 2015. As of March 31, 2013, we were in compliance with the covenants in the Amended and Restated Term Loan.

In connection with the draw down of the Amended and Restated Term Loan, we entered into a $1.5 billion interest rate swap agreement that converts the one-month LIBOR rate on the corresponding notional amount of debt to a fixed interest rate of 1.46% to hedge our exposure to interest rate fluctuation. This interest rate swap has a maturity date of October 25, 2015. We have designated the interest rate swap agreement as a qualifying hedging instrument and accounted for it as a cash flow hedge. We periodically assess the effectiveness of our hedged transaction. The interest rate swap agreement is currently our only derivative instrument and is not used for trading purposes.

As of March 31, 2013, the change in fair value of this interest rate swap agreement, net of tax was $1 million and is recognized in AOCI with the corresponding fair value of $3 million included in other liabilities on our condensed consolidated balance sheet. For the three months ended March 31, 2013, the amount of loss in other comprehensive income reclassified to interest expense was not significant. There were no realized gains or losses on this derivative other than those related to the periodic settlement of the interest rate swap.

We estimate that $3 million of derivative losses included in AOCI will be reclassified into earnings within the next 12 months. This amount has been calculated based on the variable interest rate assumptions used in the fair value calculation of the interest rate swap agreement as of March 31, 2013.

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Commitments and Contingencies

3 Months Ended

Mar. 31, 2013

Commitments and Contingencies Disclosure [Abstract]

Commitments and Contingencies

Commitments and Contingencies

Leases

We have 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 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 now and 2027. 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 and/or escalating rent payment provisions, and we recognize rent expense under such arrangements on a straight-line basis.

Operating lease expense was $41 million and $51 million for the three months ended March 31, 2013 and 2012, respectively.

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 IPO and seeking unspecified damages. We believe these lawsuits are without merit, and we intend to continue to vigorously defend them. On October 4, 2012, on our motion, 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 United States District Court for the Southern District of New York. On February 13, 2013, the court granted our motion to dismiss four derivative actions against our directors and certain of our officers. In addition, the events surrounding our IPO have become the subject of various government inquiries, and we are cooperating with those inquiries.

In the opinion of management, there was not at least a reasonable possibility we may have incurred a material loss, or a material loss in excess of a recorded accrual, with respect to loss contingencies relating to the matters set forth above. However, the outcome of litigation is inherently uncertain. Therefore, although management considers the likelihood of such an outcome to be remote, if one or more of these legal matters were resolved against us in the same reporting period for amounts in excess of management's expectations, our condensed consolidated financial statements of a particular reporting period could be materially adversely affected.

We are also party to various legal proceedings and claims which arise in the ordinary course of business. Among these legal matters, in two cases, Summit 6 LLC v. Research in Motion Corporation et al., and Timelines, Inc. v. Facebook, Inc., we have reached agreements to settle the matters. The cost of settlement in each case, which is included in the accompanying condensed consolidated financial statements for the three months ended March 31, 2013, was not material to our business, financial condition, or results of operations.

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Income Taxes

3 Months Ended

Mar. 31, 2013

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. For example, the effect of non-deductible share based compensation expenses on our effective tax rate is significantly greater when our income before provision for income taxes is lower.

Our effective tax rate has exceeded the U.S. statutory rate primarily because of the effect of non-deductible share-based compensation and losses arising outside the United States in jurisdictions where we do not receive a tax benefit. These losses were primarily due to the initial start-up costs incurred by our foreign subsidiaries to operate in certain foreign markets, including the costs incurred by those subsidiaries to license, develop, and use our intellectual property. 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.

For the three months ended March 31, 2013, the effect of the non-deductible share-based compensation expense and losses arising outside the United States in jurisdictions where we do not receive a tax benefit was offset by the recognition of a non-recurring tax benefit that we recorded in the first quarter of 2013 related to the reinstatement of the federal tax credit for research and development activities applicable to the year ended December 31, 2012.

Our income tax refundable was $426 million as of March 31, 2013, which reflects the expected refund of estimated income tax payments made in 2012 and the expected refund from income tax loss carrybacks to 2010 and 2011. 

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 examination by the IRS and all tax years starting in 2008 remain subject to examination in Ireland. We remain subject to possible examinations or are undergoing audits in various other jurisdictions that are not material to our financial statements.

Our balances of gross unrecognized tax benefits were $352 million and $164 million as of March 31, 2013 and December 31, 2012, respectively. If the remaining balance of gross unrecognized tax benefits as of March 31, 2013 is realized in a future period, this would result in a tax benefit of $247 million within our provision of income taxes at such time. Our existing tax positions will continue to generate an increase in liabilities in future periods for unrecognized tax benefits. 

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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Commitments and Contingencies (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Leases [Abstract]
Capital lease agreement period	3 years
Operating lease expense	$ 41	$ 51
Minimum
Leases [Abstract]
Interest rate	1.00%
Maximum
Leases [Abstract]
Interest rate	13.00%
Expiration date of lease	2027
Buildings
Leases [Abstract]
Capital lease agreement period	15 years

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Fair Value Measurements (Tables)

3 Months Ended

Mar. 31, 2013

Fair Value Disclosures [Abstract]

Assets 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	March 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	$	1,159	$	1,159	$	—	$	—
Marketable securities:
U.S. government securities	4,793		4,793		—		—
U.S. government agency securities	2,354		2,354		—		—
Total cash equivalents and marketable securities	$	8,306	$	8,306	$	—	$	—
Other current liabilities:
Contingent consideration liability	$	4	$	—	$	—	$	4
Other liabilities:
Derivative financial instrument	$	3	$	—	$	3	$	—

			Fair Value Measurement at Reporting Date Using
Description	December 31, 2012		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	$	871	$	871	$	—	$	—
Marketable securities:
U.S. government securities	5,165		5,165		—		—
U.S. government agency securities	2,077		2,077		—		—
Total cash equivalents and marketable securities	$	8,113	$	8,113	$	—	$	—
Other current liabilities:
Contingent consideration liability	$	4	$	—	$	—	$	4
Other liabilities:
Derivative financial instrument	$	4	$	—	$	4	$	—

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Earnings per Share (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Numerator
Net income	$ 219	$ 205
Less: Net income attributable to participating securities	2	68
Net income attributable to Class A and Class B common stockholders	217	137
Denominator
Number of shares used for basic EPS computation (in shares)	2,386	1,347
Basic EPS (in dollars per share)	$ 0.09	$ 0.10
Numerator
Net (loss) income attributable to common stockholders	217	137
Denominator
Number of shares used for basic EPS computation (in shares)	2,386	1,347
Number of shares used for diluted EPS computation (in shares)	2,499	1,527
Diluted EPS (in dollars per share)	$ 0.09	$ 0.09
Class A Common Stock
Numerator
Net income	156	18
Less: Net income attributable to participating securities	1	6
Net income attributable to Class A and Class B common stockholders	155	12
Denominator
Weighted average shares outstanding (in shares)	1,709	117
Less: Shares subject to repurchase (in shares)	4	0
Number of shares used for basic EPS computation (in shares)	1,705	117
Basic EPS (in dollars per share)	$ 0.09	$ 0.10
Numerator
Net (loss) income attributable to common stockholders	155	12
Reallocation of net income attributable to participating securities	2	5
Reallocation of net (loss) income as a result of conversion of Class B to Class A common stock	62	125
Reallocation of net income to Class B common stock	0	0
Net (loss) income attributable to common stockholders for diluted EPS	219	142
Denominator
Number of shares used for basic EPS computation (in shares)	1,705	117
Conversion of Class B to Class A common stock (in shares)	681	1,230
Shares subject to repurchase (in shares)	4	2
Number of shares used for diluted EPS computation (in shares)	2,499	1,527
Diluted EPS (in dollars per share)	$ 0.09	$ 0.09
Class A Common Stock | Employee Stock Option
Denominator
Share based payment arrangements (in shares)	80	169
Class A Common Stock | Restricted Stock Units (RSUs)
Denominator
Share based payment arrangements (in shares)	29	9
Class B Common Stock
Numerator
Net income	63	187
Less: Net income attributable to participating securities	1	62
Net income attributable to Class A and Class B common stockholders	62	125
Denominator
Weighted average shares outstanding (in shares)	691	1,233
Less: Shares subject to repurchase (in shares)	10	3
Number of shares used for basic EPS computation (in shares)	681	1,230
Basic EPS (in dollars per share)	$ 0.09	$ 0.10
Numerator
Net (loss) income attributable to common stockholders	62	125
Reallocation of net income attributable to participating securities	0	0
Reallocation of net (loss) income as a result of conversion of Class B to Class A common stock	0	0
Reallocation of net income to Class B common stock	7	6
Net (loss) income attributable to common stockholders for diluted EPS	$ 69	$ 131
Denominator
Number of shares used for basic EPS computation (in shares)	681	1,230
Conversion of Class B to Class A common stock (in shares)	0	0
Shares subject to repurchase (in shares)	4	2
Number of shares used for diluted EPS computation (in shares)	794	1,410
Diluted EPS (in dollars per share)	$ 0.09	$ 0.09
Class B Common Stock | Employee Stock Option
Denominator
Share based payment arrangements (in shares)	80	169
Class B Common Stock | Restricted Stock Units (RSUs)
Denominator
Share based payment arrangements (in shares)	29	9
Restricted Stock Units (RSUs)
Earnings Per Share, Basic, by Common Class, Including Two Class Method
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	18	0

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Geographical Information - Revenue (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2013		Mar. 31, 2012
Revenue by Geographical Area
Revenue	$ 1,458		$ 1,058
United States
Revenue by Geographical Area
Revenue	681		536
Rest of World
Revenue by Geographical Area
Revenue	$ 777	[1]	$ 522	[1]

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

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CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (UNAUDITED) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Statement of Other Comprehensive Income [Abstract]
Net income	$ 219	$ 205
Other comprehensive (loss) income:
Change in foreign currency translation adjustment	(18)	(1)
Unrealized gain on derivative, net of tax	1	0
Comprehensive income	$ 202	$ 204

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Fair Value Measurements

3 Months Ended

Mar. 31, 2013

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	March 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	$	1,159	$	1,159	$	—	$	—
Marketable securities:
U.S. government securities	4,793		4,793		—		—
U.S. government agency securities	2,354		2,354		—		—
Total cash equivalents and marketable securities	$	8,306	$	8,306	$	—	$	—
Other current liabilities:
Contingent consideration liability	$	4	$	—	$	—	$	4
Other liabilities:
Derivative financial instrument	$	3	$	—	$	3	$	—

			Fair Value Measurement at Reporting Date Using
Description	December 31, 2012		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	$	871	$	871	$	—	$	—
Marketable securities:
U.S. government securities	5,165		5,165		—		—
U.S. government agency securities	2,077		2,077		—		—
Total cash equivalents and marketable securities	$	8,113	$	8,113	$	—	$	—
Other current liabilities:
Contingent consideration liability	$	4	$	—	$	—	$	4
Other liabilities:
Derivative financial instrument	$	4	$	—	$	4	$	—

Our Level 2 derivative financial instrument represents our interest rate swap agreement which is valued based on a valuation model using significant inputs derived from or corroborated by observable market data.

We estimate the fair value of our Level 3 contingent consideration liability based on the probability assessment of an earn-out criteria. In developing these estimates, we consider factors not observed in the market and thus this represents a Level 3 measurement. Level 3 instruments are valued based on unobservable inputs that are supported by little or no market activity and reflect our own assumptions in measuring fair value. Our fair value estimate of this liability was $6 million at the date of acquisition. Changes in the fair value of the contingent consideration liability subsequent to the acquisition date, such as changes in the probability assessment and our stock prices, are recognized in earnings in the period when the change in the estimated fair value occurs.

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Cash and Cash Equivalents, and Marketable Securities (Details) (USD $) In Millions, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012	Mar. 31, 2012	Dec. 31, 2011
Cash, Cash Equivalents, and Marketable Securities
Cash	$ 1,166	$ 1,513
Total cash and cash equivalents	2,325	2,384	1,282	1,512
Marketable securities	7,147	7,242
Total cash, cash equivalents and marketable securities	9,472	9,626
Cash Equivalents
Cash, Cash Equivalents, and Marketable Securities
Money market funds	1,159	871
Marketable Securities
Cash, Cash Equivalents, and Marketable Securities
U.S. government securities	4,793	5,165
U.S. government agency securities	$ 2,354	$ 2,077

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Stockholders' Equity - Stock Options Additional Disclosures (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Equity [Abstract]
Aggregate intrinsic value of the options exercised	$ 311	$ 629

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Cash and Cash Equivalents, and Marketable Securities (Tables)

3 Months Ended

Mar. 31, 2013

Cash and Cash Equivalents, and Marketable Securities [Abstract]

Cash, Cash Equivalents and Marketable Securities

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

	March 31, 2013		December 31, 2012
Cash and cash equivalents:
Cash	$	1,166	$	1,513
Cash equivalents:
Money market funds	1,159		871
Total cash and cash equivalents	2,325		2,384
Marketable securities:
U.S. government securities	4,793		5,165
U.S. government agency securities	2,354		2,077
Total marketable securities	7,147		7,242
Total cash, cash equivalents and marketable securities	$	9,472	$	9,626

Marketable Securities by Contractual Maturities

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

	March 31, 2013
Due in one year	$	4,389
Due in one to two years	2,758
Total	$	7,147