NEW YORK (AdAge.com) -- One way to spice up an Ad Age Digital Conference panel is to pair an ad network mogul with a media company sales exec who has dumped his online ad networks. The the clash between Turner Sports & Entertainment SVP Walker Jacobs and 24/7 Real Media chairman David Moore provided further insights into one of the more contentious aspects of the online advertising business. Ad Age's two-day conference took place in New York's Metropolitan Pavilion.