LAS VEGAS — While the widespread adoption of Internet-delivered television is coming into focus, the complexity of delivering different ad formats across multiple devices presents serious financial risks to marketers, agencies and media companies, says Randall Rothenberg, President of the IAB, the digital media’s industry trade organization, in this interview with Beet.TV

We spoke with him yesterday outside the CES show where he was on a guided tour headed by Irwin Gotlieb, Chairman of GroupM.