Part of what makes working at microsoft great is the ability to switch teams and roles - all without uprooting your life.  Fairly recently, I made the switch to the 'dark side' of Program Management from Software Design.

I now work on a part of Windows Longhorn called communication history.  Here's a PDC (October 2003) view:

http://msdn.microsoft.com/library/en-us/dnaero/html/wux_topic_contacts7.gif

And here is the larger article that helps to frame communication history.

http://msdn.microsoft.com/Longhorn/understanding/ux/default.aspx?pull=/library/en-us/dnaero/html/wux_topic_contacts.asp