Steve Ballmer, chief executive officer of Microsoft Corp., speaks at the 2012 International Consumer Electronics Show (CES) in Las Vegas, Nevada, U.S., on Monday, Jan. 9, 2012. Nokia Oyj and Microsoft Corp. unveiled their first high-speed Windows Phone for AT&T Inc. at the Consumer Electronics Show, aiming to help both companies stage a comeback in the smartphone industry. Photographer: David Paul Morris/Bloomberg via Getty Images
