It was barely one year ago that an explosion of video service providers came streaming to the attention of advertisers. They had names like ROOTV, Brightcove, Maven, Tremor, Broadband Enterprise and the now infamous YouTube -- and your average interactive agency planner/buyer had enough trouble remembering, let alone recommending, which of these VC-backed darlings to get behind. Were they really selling a consumer destination? Or a video platform technology? Or both?