Facebook opens developer platform for mobile
Confirmed: Microsoft Wins Facebook Stake with $240 Million Investment
Microsoft Facebook Call: Live Updates
Microsoft acquires equity stake in Facebook, expands advertising partnership
Facebook Sells 2% to Microsoft for $240 Million
Rumormonger: Facebook goes to Microsoft?
ProBlogger - PageRank 4 — Wow - this is an interesting one.
Gmail delivers a knockout punch: IMAP changes the "freemail" game