Favorite talks
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Jamais Cascio on tools for a better world
16:15 Posted: Jan 2009
Views: 135,053 | Comments: 24
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Samantha Power on a complicated hero
23:09 Posted: Nov 2008
Views: 203,349 | Comments: 31
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Ory Okolloh on becoming an activist
16:38 Posted: Aug 2008
Views: 174,895 | Comments: 65
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Clay Shirky: Institutions vs. collaboration
20:46 Posted: Jul 2008
Views: 476,988 | Comments: 57
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Yossi Vardi fights local warming
06:15 Posted: Jan 2008
Views: 555,735 | Comments: 63
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Andrew Mwenda takes a new look at Africa
17:07 Posted: Sep 2007
Views: 390,484 | Comments: 109
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Patrick Awuah on educating leaders
17:31 Posted: Aug 2007
Views: 516,581 | Comments: 136
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Hans Rosling: New insights on poverty
18:57 Posted: Jun 2007
Views: 2,183,883 | Comments: 221
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Saul Griffith on everyday inventions
14:29 Posted: Feb 2007
Views: 233,505 | Comments: 26
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Iqbal Quadir says mobiles fight poverty
15:52 Posted: Oct 2006
Views: 224,910 | Comments: 62