They have been thinking about that for a while
I can't find it at the moment, but Tim O'Reilly mentioned about a year ago IIRC that Google was on Microsoft's A-list of desired targets.
Cheers,
Ben
"good ideas and bad code build communities, the other three combinations do not"
- [link|http://archives.real-time.com/pipermail/cocoon-devel/2000-October/003023.html|Stefano Mazzocchi]