Microsoft unveils Windows 8

Microsoft CEO Steve Ballmer's future may depend on the success of Microsoft Windows 8, which he unveiled in New York on Thursday.

In this Tuesday Oct. 23, 2012, file photo, a Chinese man tries out the new Surface tablet computer made by Microsoft at a show in Shanghai ahead of the launch of the operating system on Oct. 26. With the release of Windows 8, PC makers are doing their best to blur the boundaries between the PC and tablet with an array of devices that mash keyboards and touch screens together in different ways. (AP Photo)

In this Tuesday Oct. 23, 2012, file photo, a Chinese man tries out the new Surface tablet computer made by Microsoft at a show in Shanghai ahead of the launch of the operating system on Oct. 26. With the release of Windows 8, PC makers are doing their best to blur the boundaries between the PC and tablet with an array of devices that mash keyboards and touch screens together in different ways. (AP Photo)

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