Nokia was the only large phone manufacturer in the world to commit to selling phones running Microsoft's operating system. Now Microsoft is buying Nokia's mobile phone business.
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Microsoft's Windows 8 operating system was criticized when it was released last year for features some said didn't mesh with a desktop PC environment. The company has indicated that it will address some of those issues in an upcoming update.
Steven Sinofsky introduces a new Microsoft tablet computer and Windows 8 software to the media in Shanghai on Oct. 23. The former president of Microsoft's Windows division has since left the company.
Microsoft CEO Steve Ballmer speaks at a Microsoft event in San Francisco in July. This week, Microsoft launches Windows 8, a radical redesign of its operating system, as well as a new set of tablet computers.