With the acquisition of Los Angeles-based Panache, WPP will build a video ad serving business and a video ad network for its family of companies as well as other agencies, says David J. Moore, founder and CEO of 24/7 Real Media, a WPP unit in this exclusive interview with Beet.TV We spoke with him about the opportunities around online video and the integration of Panache. The deal was announced earlier today, however financial terms were not disclosed. Andy Plesser