The first operating system the company publicly released was a variant of Unix in 1980. Acquired from AT&T through a distribution license, Microsoft dubbed it Xenix, and hired Santa Cruz Operation in order to port/adapt the operating system to several platforms. This Unix variant would become home to the first version of Microsoft's word processor, Microsoft Word. Originally titled "Multi-Tool Word", Microsoft Word became notable for its concept of "What You See Is What You Get", or WYSIWYG. By 1993, Windows had become the most widely used GUI operating system in the world. Fortune Magazine named Microsoft as the "1993 Most Innovative Company Operating in the U.S.
The image : Microsoft staff photo from December 7, 1978. From left to right:
Top: Steve Wood, Bob Wallace, Jim Lane.
Middle: Bob O'Rear, Bob Greenberg, Marc McDonald, Gordon Letwin.
Bottom: Bill Gates, Andrea Lewis, Marla Wood, Paul Allen.
Source: wikipedia
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