MSN Messenger Activity API - an ideal platform for interactive communication apps

Ever wanted to build an application that could reach 170 million users of MSN Messenger?  The Messenger Activity API is just your ticket.  Activity applications, which plug into MSN Messenger, are ideal for interactive communication scenarios - not just games, but everything from photo sharing to mapping.

I attended the MSN Messenger API talk at PDC today and watched this process from end to end.  Follow the link above to find out how yourself, and also read about the MSN Messenger World's Best App Contest, which could be just your ticket to fame, glory, and a beefy Alienware Mobile Desktop that is guaranteed (trust me) both to build your pecs and push an improbable number of polygons a second.