YouTube on Thursday took aim at its biggest competitor, Hulu, announcing it would begin offering movies, TV shows and content from studios such as Crackle/Sony Pictures, CBS, MGM, Lionsgate, Starz, the BBC, Anime Network, Cinetic Rights Management, Current TV, Discovery, Documentary Channel, First Look Studios, IndieFlix, National Geographic and more.YouTube dominates online video viewing, but Hulu, while seeing far less visitors, is doing much better at monetizing its content (why not, it has the alien version