Favorite talks
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Play
Jonas Eliasson: How to solve traffic jams
08:27 Posted: Nov 2012
Views: 555,538 | Comments: 187
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Ernesto Sirolli: Want to help someone? Shut up and listen!
17:09 Posted: Nov 2012
Views: 1,175,830 | Comments: 262
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David Binder: The arts festival revolution
09:06 Posted: Nov 2012
Views: 313,617 | Comments: 36