Microsoft Debuts Upgrade To Windows 8 Operating System

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Microsoft CEO Steve Ballmer speaks during the keynote address during... News PhotoAdult,Adults Only,Business,California,Corporate Business,Economy,Finance,Horizontal,Keynote Speech,Microsoft,One Man Only,One Person,People,San Francisco - California,Speech,Steve Ballmer,Talking,USAPhotographer Collection: Getty Images News 2013 Getty ImagesSAN FRANCISCO, CA - JUNE 26: Microsoft CEO Steve Ballmer speaks during the keynote address during the Microsoft Build Conference on June 26, 2013 in San Francisco, California. Microsoft debuted an upgrade to their Windows 8 operating system during the Microsoft Build Conference that runs through June 28. (Photo by Justin Sullivan/Getty Images)