You’ve read all of your free items this month. To register, get added benefits and unlimited access to articles, Become a Member. Already a Member? Sign in. Advertising Age Article Abstract Bob Jeffrey: Empower Teens and They'll Change the World Hero Generation: A 15-Year-Old's Plan to Save the Planet Shows Just How Potent a Market His Peers Are By Bob Jeffrey, Published on March 19, 2007 7 Want more Access, Content & Connections? Upgrade to Membership. We are glad you are enjoying Advertising Age. To get uninterrupted access and additional benefits, become a member today. Become a Member Already a member? Log in.