Email This Post June 22, 2012 – 9:26 am Social media has been both boon and threat to traditional publishers. On one hand, social media has connected publishers to their audience like never before. But the threat has helped drive down CPMs, as the infinite amount of inventory floods the market. That divide is what social media advertising and analytics provider MediaBrix brought Ari Brandt, the former digital media head for Condé Nast Business Media Group Online, to bridge last year when he was hired as CEO of the company, which was rebranded and repositioned from its previous incarnation, video ad network Smartclip USA. We checked in with Brandt about industry trends, MediaBrix and how he thinks social media and premium…