FILE - In this Tuesday, May 22, 2012, file photo, Microsoft CEO Steve Ballmer waits his turn to deliver a speech during Seoul Digital Forum in Seoul, South Korea. Ballmer can't afford t

 

              FILE - In this Tuesday, May 22, 2012, file photo, Microsoft CEO Steve Ballmer waits his turn to deliver a speech during Seoul Digital Forum in Seoul, South Korea. Ballmer can
FILE - In this Tuesday, May 22, 2012, file photo, Microsoft CEO Steve Ballmer waits his turn to deliver a speech during Seoul Digital Forum in Seoul, South Korea. Ballmer can't afford to be wrong about Windows 8. If the dramatic overhaul of the Windows operating system flops, it will reinforce perceptions that Microsoft is falling behind other technology giants as the world moves on to smartphones, tablets and other sleek devices from Apple, Google and Amazon. (AP Photo/Lee Jin-man, File)