<![CDATA[Articles by Konrad Feldman]]> http://adage.com/rss-author.php?id=4946 en-us 120 <![CDATA[Why Advertising Through RTB Needs a New Buying Model]]> http://adage.com/article/digitalnext/advertising-rtb-a-buying-model/239319/ Tue, 22 Jan 2013 11:11 EST Konrad Feldman