Is Vessel an online video service? Is it something else? It's still somewhat of a mystery, but former Hulu CEO Jason Kilar's new startup at least has a name, finally. Vessel has several investors lined up already, including Benchmark, Greylock Partners and Bezos Expeditions, and Kilar said in a post on the new Vessel website that he has assembled a "unique and talented team" that sees "an opportunity to improve media, particularly next generation video." FierceCable has more here.