"youtube's pay channels mean it can bring new types of content onto the world's largest video service....
More business model options.
TV is both ad supported and subscription supported and that works just fine. It gives people like HBO the creative flexibility to generate content advertisers may not be ready for and it gives companies like Scripps the freedom to promise more home-focused entertainment that home-focused advertisers care about. That flexibility is crucial to the ongoing success of those companies and it will be crucial to YouTube as well. Although in YouTube's, case, I would be surprised if the revenue balance in the 1- to 2-year time-frame exceeded 10% or 15% subscription to advertising.
More content partners...."