Annual report pursuant to Section 13 and 15(d)

Consolidated Statements of Operations (Parenthetical)

v2.4.0.6
Consolidated Statements of Operations (Parenthetical) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Cost of revenue $ 128,562 [1] $ 108,155 [1] $ 79,044 [1]
Product development 48,177 [1] 43,441 [1] 36,922 [1]
Sales and marketing 76,992 [1] 63,775 [1] 37,693 [1]
General and administrative 56,993 [1] 40,798 [1] 28,328 [1]
Stock-based compensation expenses
     
Cost of revenue 2,806 1,655 633
Product development 4,391 4,594 2,568
Sales and marketing 4,790 12,017 2,493
General and administrative $ 6,191 $ 4,352 $ 1,646
[1] Includes stock-based compensation expense as follows: Year Ended December 31, 2012 2011 2010 Cost of revenue $ 2,806 $ 1,655 $ 633 Product development 4,391 4,594 2,568 Sales and marketing 4,790 12,017 2,493 General and administrative 6,191 4,352 1,646