feb 2009 Bill Gates hopes to solve some of the world's biggest problems using a new kind of philanthropy. In a passionate and, yes, funny 18 minutes, he asks us to consider two big questions and how we... continue reading
posted by smiley 1 decade 5 years 9 months ago • 3,094 views • 20:17TED talks
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Updated: 7 years 4 months 3 weeks ago
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