Windows 8 unveiled!

Updated: Nov 21, 2012 14:11 IST

Employees look on as Microsoft CEO Steve Ballmer speaks via a webcast during an event unveiling a new Microsoft Windows operating system at the company's headquarters in Redmond, Washington. (AP Photo/Elaine Thompson)
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Employees look on as Microsoft CEO Steve Ballmer speaks via a webcast during an event unveiling a new Microsoft Windows operating system at the company's headquarters in Redmond, Washington. (AP Photo/Elaine Thompson)

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