Life after Twitter

Twitter cofounder Biz Stone has been named Nerd of the Year by GQ and anointed one of the 100 Most Influential People in the World by TIME. Having gotten millions tweeting – from teens to heads of state – Stone is onto his next venture. His new company, The Obvious Corporation, builds systems that help people join forces to make the world a better place. Hear what's on the horizon from one of our most innovative entrepreneurs.