Bill & Melinda Gates Foundation set conditions so that these contributions do not simply increase the foundation's endowment, but effectively work as a matching contribution, doubling the foundation's annual giving. Bloomberg News noted, "Buffett's gift came with three conditions for the Bill & Melinda Gates Foundation: Bill or Melinda Gates must be alive and active in its administration; it must continue to qualify as a charity; and each year it must give away an amount equal to the previous year's Berkshire gift, plus an additional amount equal to 5 percent of net assets. Buffett gave the foundation two years to abide by the third requirement."
Bill Gates operating system, because he believed that other hardware vendors would clone IBM's system. They did, and the sales of MS-DOS made Microsoft a major player in the industry. Despite IBM's name on the operating system, the press quickly identified Microsoft as being very influential on the new computer. "PC Magazine" asked if Gates were "the man behind the machine?", and "InfoWorld" quoted an expert as stating "it's Gates' computer". Gates oversaw Microsoft's company restructuring on June 25, 1981, which re-incorporated the company in Washington state and made Gates the president of Microsoft and its board chairman. Microsoft launched its first