Alright, I have NO sweet clue how on earth someone could figure this out, but they did, and it's actually pretty awesome.
http://arstechnica.com/microsoft/news/2010/09/bill-gates-staring-back-at-you-from-outlook-2010.ars
http://arstechnica.com/microsoft/news/2010/09/bill-gates-staring-back-at-you-from-outlook-2010.ars