Something is up at Microsoft!
The blogosphere is abuzz with an upcoming announcement from Microsoft on Feb 27th.

• Scobleizer (seems to have real insight that he cannot disclose)
  
• TechCrunch (mostly a re-hash of the above article)
• iStartedSomething (lots of guesswork and retractions)
  

I usually do not subscribe to rumors, but this one seems to have some legs!