Cumulus' Pierre Bouvard is at it again. Peppering the industry with data sellers and managers can push out to the people they're putting on the air every day, or hoping to get on the air in the future. His latest blog is called "10 Slides Every Advertiser Should See," and Bouvard says several trends have been developing over the past few months and these three trends have emerged. What are they? Let's see what he says...