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Zuckerberg, Brin join forces to extend life

Facebook CEO Mark Zuckerberg delivers a keynote during the Facebook f8 Developer Conference at the San Francisco Design Center in San Francisco on September 22, 2011 in California. Famed founders of Internet rivals Google and Facebook joined forces on WedFamed founders of Internet rivals Google and Facebook joined forces on Wednesday to back big-money prizes for research aimed at extending human life.