Favorite talks
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Play
Birke Baehr: What's wrong with our food system
05:14 Posted: Nov 2010
Views: 1,264,035 | Comments: 614
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Play
Sugata Mitra: The child-driven education
17:13 Posted: Sep 2010
Views: 1,459,374 | Comments: 466
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Play
Jane McGonigal: Gaming can make a better world
20:03 Posted: Mar 2010
Views: 3,108,065 | Comments: 1158