Satya Nadella Delivers Opening Keynote
In This Photo: Joe Belfiore
Joe Belfiore, corporate vice president and manager for Windows Phone, jumps on a large Windows driven piano as he delivers a keynote address during the 2014 Microsoft Build developer conference on April 2, 2014 in San Francisco, California. The 2014 Microsoft Build developer conference runs through April 4.
(April 1, 2014 - Source: Justin Sullivan/Getty Images North America) more pics from this album »
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