Internet And Technology Leaders Address Web 2.0 Summit 2011 [Getty Images]

SAN FRANCISCO, CA - OCTOBER 18: Microsoft CEO Steve Ballmer speaks during the 2011 Web 2.0 Summit on October 18, 2011 in San Francisco, California. The 2011 Web 2.0 Summit features keynote addresses by Internet and Technology leaders and runs through Wednesday. (Photo by Justin Sullivan/Getty Images)

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