Microsoft is believed to have shipped the RTM version of the Windows Phone 8 operating system, according to sources. Now it's time for carriers and handset makers to test and preload before the ...

With Windows Phone 8, Microsoft will redo the plumbing of its mobile operating system to allow more diverse hardware and easier app development. At last, Windows Phone will support multi-core ...

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Microsoft CEO Steve Ballmer kicked off the company’s annual Build developer conference emphasizing the momentum of the company’s new Windows 8 and Windows Phone 8 operating systems. “In just the last ...