The programmatic buying and selling of digital advertising is set to transform the way the the ad business operates. It is a "sea change," says Beet.TV's Ashley Swartz in this wrap-up of our summit on Video Advertising and Real Time-Buying. The conference at the New York offices of GroupM featured Rob Norman, Global Chief Digital Officer, who explains in this video how real-time buying will transform the teleivsion business. Here is TubeMogul's Brett Wison who explains how programmatic buying helps brands connect with audiences. Much more to come of the conference which was presented by TubeMogul.