Key Speakers At The Microsoft Build Developer 2014 Conference [Getty Images]

Satya Nadella, chief executive officer at Microsoft Corp., speaks during the keynote address at the Microsoft Developers Build Conference in San Francisco, California, U.S., on Wednesday, April 2, 2014. Nadella announced new leadership roles for Scott Guthrie and Phil Spencer, adding to management moves aimed at rebooting growth in cloud and devices at the worlds largest software maker. Photographer: David Paul Morris/Bloomberg via Getty Images

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