http://investor.google.com/earnings/2010/Q4_google_earnings.html

<< ....Google reported revenues of $8.44 billion for the quarter ended December 31, 2010, an increase of 26% compared to the fourth quarter of 2009. Google reports its revenues, consistent with GAAP, on a gross basis without deducting traffic acquisition costs (TAC). In the fourth quarter of 2010, TAC totaled $2.07 billion, or 25% of advertising revenues. .... >>