Digiday: Paul Marcum, a former brand and publishing exec, is now trying his hand at going agency-side, taking on a new role as president at Truffle Pig, the marketing agency co-owned by WPP, Snapchat and the Daily Mail that was announced in Cannes in June. Marcum, who comes from Bloomberg, where he headed global digital video, was previously a marketing exec at GE, where he helped drive the company’s digitally-focused content strategy.