PHOENIX--(BUSINESS WIRE)--The Interactive Advertising Bureau (IAB) 2015 Annual Leadership Meeting kicked off today at the JW Marriott Desert Ridge Resort in Phoenix, AZ, bringing together more than 1,100 digital advertising executives to discuss the latest trends that are shaping the industry. This year’s program revolves around “Content and the Kingmakers,” with some of the industry’s most respected leaders sharing their thoughts on the evolution of content in an era when technology is constan