BERLIN, GERMANY – APRIL 06: Bill Gates, founder of Microsoft and now philanthropist, poses at Pariser Platz square during a brief stop at Brandenburg Gate on April 6, 2011 in Berlin, Germany. Gates is in Berlin to meet with German government officials, including Chancellor Angela Merkel and Development Minister Dirk Niebel, to discuss aid for developing countries and promote his one.org charity initiative and the Bill and Melinda Gates Foundation. (Photo by Sean Gallup/Getty Images)