Who says Microsoft doesn't have a sense of humour?

You know the default silhouette placeholder that Outlook 2010 and Lync 2010 shows you by default when there isn't a user picture?  You won't believe the story behind that...

http://arstechnica.com/microsoft/news/2010/09/bill-gates-staring-back-at-you-from-outlook-2010.ars