Ah, the essence of Facebook. It seems like they are well on the move. What the final end to their moves will be is yet to be seen. An interesting take I just found on auctionbytes titled Study Shows Online Shoppers Look for Sales on Facebook.
I tried to post the link to the article but it keeps getting scrambled. So, let me do it a more covert way. It's auctionbytes .com/cab/abn/y10/m02/i10/s04
Just wait until Bing powers the Iphone search as well.
With Apple now suing HTC over Android, they have taken the gloves off and what was once a cozy relationship has given way to all out war even if it does mean they align with MSN for a period of time while they get their own search together.