EX-23.1 4 y91135exv23w1.txt CONSENT OF PRICEWATERHOUSECOOPERS LLP Exhibit 23.1 CONSENT OF INDEPENDENT ACCOUNTANTS We hereby consent to the incorporation by reference in this Registration Statement on Form S-8 of our report dated January 22, 2003 relating to the financial statements and financial statement schedule of DoubleClick Inc., which appears in DoubleClick Inc.'s Annual Report on Form 10-K for the year ended December 31, 2002. /s/ PricewaterhouseCoopers LLP PricewaterhouseCoopers LLP New York, New York November 20, 2003