Favorite talks
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Play
Derek Sivers: How to start a movement
03:09 Posted: Apr 2010
Views: 2,974,599 | Comments: 278
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Michael Pritchard: How to make filthy water drinkable
09:31 Posted: Aug 2009
Views: 1,564,990 | Comments: 641
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Jacek Utko designs to save newspapers
06:04 Posted: Mar 2009
Views: 654,525 | Comments: 102
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Ken Robinson says schools kill creativity
19:24 Posted: Jun 2006
Views: 16,995,695 | Comments: 3043