Takuya Hirano, president and chief executive officer of Microsoft Japan Co., speaks during Microsoft Corp.'s Windows 10 operating system product launch in Tokyo, Japan, on Wednesday, July 29, 2015. The release of Microsoft's new Windows 10 operating system -- an event that in years past sparked a surge of computer buying -- will do little to ease the four-year sales slump that's been dogging the PC industry. Photographer: Kiyoshi Ota/Bloomberg via Getty Images
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