Bill and Melinda Gates appeared on Meet the Press, discussing everything from vaccines to influence of Warren Buffett on their philanthropic efforts to how technology is being utilized in developing world. David Gregory's interview with Bill and Melinda starts in minute 29 of the video. Much of the discussion focused on Gates' global health efforts, but Bill G. also answered questions about economy and future of computing. As the software mogul sees it, the keyboard and mouse will be replaced to some degree with more interactive computers that can see and hear what people are doing.

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