Apparently Microsoft is interested in buying shares in social networking site Facebook, according to an article in The Wall Street Journal:
Microsoft Fires Volley At Google in Ad Battle - WSJ.com
Facebook is valued somewhere around 10 billion (

) and Microsoft is interested in accquiring 5%, which will cost them from $300 to $500 million. The article goes on to say that Google has also expressed strong interest in purchasing Facebook, and there is an interesting discussion about Google's power (sometimes I feel like they are trying to take over the world

) and Microsoft's current state of affairs.