One-Half the Money I Spend for Advertising Is Wasted, But I Have Never Been Able To Decide Which Half

John Wanamaker? William Hesketh Lever? William Hulme Lever? Lord Leverhulme? William Wrigley Jr.? John T. Dorrance? Robert C. Ogden? George Washington Hill? Roy L. Smith? David Ogilvy? Anonymous? Dear Quote Investigator: Readers often ignore advertisements, but sometimes ads decisively influence purchasing decisions. A business mogul once humorously commented on this hit-or-miss quality. Here are two …