Facebook revenues reached $500 million in 2009, up from $300 million in 2008, according to Fortune editor David Kirkpatrick, who cites "well-informed sources" in his upcoming book, The Facebook Effect.
Facebook expects revenues to reach $800 million in 2010.
Where did 2009’s $500 million come from?
Self-service ads, which appear on the right side of the screen on Facebook, accounted for about $250 million to $300 million. They look like this:
Engagement ads, which seek user-interaction (and sometimes feature user-endorsements), brought in $100 million. Here’s one:
As a part of a 2007 ad deal, Microsoft sells some ads on Facebook. It’s payment for the privilege reached $50 million in 2009.
Finally, Facebook Gifts and other virtual goods account for between $30 million and $50 million in 2009.
These figures are fairly consistent with Inside Facebook’s March 2010 report.
[via] Business Insider