REDMOND, WASHINGTON - 1986:  Microsoft owner and founder Bill Gates poses with a hovering floppy disk in 1986 at the new 40-acre corpororate campus in Redmond, Washington. In March, Microsoft held an initial public offering of 2.5 million shares. By the end of the year, Gates became a billionaire at the age of 31. Microsoft was the first company to dominate the personal computer market with it's MS-DOS system and subsequently the Windows platform. (Photo by Joe McNally/Getty Images)