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REDMOND, WA - APRIL 6: A MITS Altair 8800 computer, the world's first personal computer, lies on display at the Microsoft Visitor Center April 6, 2005 in Redmond, Washington. The center displays a collection of hands-on software exhibits, including a company timeline displaying old computers, early software packages and a variety of Microsoft promotional materials and artifacts. The exhibit opened to the public this week. (Photo by Ron Wurzer/Getty Images)