] For an ad campaign that started a revolution in ] marketing, the Pepsi Challenge TV spots of the 1970s and ] '80s were almost absurdly simple. Little more than a ] series of blind taste tests, these ads showed people ] being asked to choose between Pepsi and Coke without ] knowing which one they were consuming. Not surprisingly, ] given the sponsor, Pepsi was usually the winner. ] ] ] But 30 years after the commercials debuted, ] neuroscientist Read Montague was still thinking about ] them. Something didn't make sense. If people preferred ] the taste of Pepsi, the drink should have dominated the ] market. It didn't. So in the summer of 2003, Montague ] gave himself a 'Pepsi Challenge' of a different sort: to ] figure out why people would buy a product they didn't ] particularly like. [ Very interesting stuff... -k] frontline: the persuaders: neuromarketing | PBS |