Tim Brown urges designers to think big

Tim Brown says the design profession is preoccupied with creating nifty, fashionable objects -- even as pressing questions like clean water access show it has a bigger role to play. He calls for a shift to local, collaborative, participatory “design thinking.“ TEDTalks is a daily video podcast of the best talks and performances from the TED Conference, where the world's leading thinkers and doers give the talk of their lives in 18 minutes. Featured speakers have included Al Gore on cli