Chairman, Bill & Melinda Gates FoundationGates will be remembered for two things: Microsoft Windows and his charitable foundation. The former, though aging and facing threats from Google's push into Web software, is still flying off shelves: Windows Vista sold 40 million copies in just its 100 days. The Bill & Melinda Gates Foundation, meanwhile, has new strength thanks to a $37 billion bequest from Gates's pal Warren Buffett, who plans to donate the bulk of his fortune to it.
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