Joseph Turow is the Robert Lewis Shayon Professor of Media Systems & Industries Emeritus in the Annenberg School of Communication at the University of Pennsylvania. He is the author of thirteen books and the editor of five, including The Voice Catchers: How Marketers Listen In to Exploit Your Emotions, Your Privacy, and Your Wallet; The Aisles Have Eyes: How Retailers Track Your Shopping, Strip Your Privacy, and Define Your Power; and The Daily You: How the New Advertising Industry Is Defining Your Identity and Your Worth.