Favorite talks
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Play
Hans Rosling: New insights on poverty
18:57 Posted: Jun 2007
Views: 2,161,681 | Comments: 221
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Play
Thomas Barnett: Rethinking America's military strategy
23:43 Posted: Jun 2007
Views: 494,954 | Comments: 258
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Blaise Aguera y Arcas demos Photosynth
07:30 Posted: May 2007
Views: 3,298,657 | Comments: 236