Traditional media are worried, and new media are excited. In both cases, it has a lot to do with where the advertising money is going, and where it’s not going. Nobody knows more about advertising than David Verklin, CEO of Carat Americas. Carat is the world’s largest independent media buying operation, and Verklin is also the coauthor — with Bernice Kanner — of Watch This, Listen Up, Click Here: Inside the 300 Billion Dollar Business Behind the Media You Constantly Consume. We talk to him about what’s happening now, what will happen next, and how the future of advertising might actually be more pleasant for consumers, as advertisers serve up ads based on things people are actually interested in.