Below is a link to an eight-minute Advertising Age interview with DDB Chairman Emeritus Keith Reinhard about common mistakes of marketing creatives and CEOs—but I think you’ll see that much of what he says applies to creative people of all kinds. I believe especially his emphasis on being relevance, originality, and impact fits every kind of creative product. (Reinhart is a member of the Advertising Hall of Fame and came up with the McDonald’s line, “You deserve a break today.”)