Teenagers are the hottest consumer demographic in America. Media analyst Douglas Rushkoff examines the multi-billion dollar marketing industry aimed at teenagers in the new Frontline documentary The Merchants of Cool. (Tuesday, Feb. 27th at 10 PM). Rushkoff is also the author of Coercion: Why We Listen to What They Say (Riverhead books) about how our everyday decisions are influenced by marketers, politicians, religious leaders, and other forces.