A Fujitsu Ltd. FMV Lifebook laptop computer, running Microsoft Corp.'s Windows 8.1 operating system, is displayed during a launch event for the operating system in Tokyo, Japan, on Friday, Oct. 18, 2013. Microsoft Chief Executive Officer Steve Ballmer, who will be retiring within a year, said the company is still working to make sure that the personal computer remains relevant as "the device of choice." Photographer: Kiyoshi Ota/Bloomberg via Getty Images
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