Eurydice - 11:07 pm on Feb 7, 2010 (gmt 0)
At first, I'd think that Bing would want to place the ads in Facebook.
But strategically, that's not Bing's goal. The ad revenue isn't important (in the similar deal with Yahoo, Yahoo gets the revenues).
Bing's strategic goal is to undermine Google's #1 position.
This is pretty clever.