To be competitive with YouTube, one needs enormous economies of scale. The only one competitor I could think of here would something like a Twitch.tv spinoff b

To be competitive with YouTube, one needs enormous economies of scale. The only one competitor I could think of here would something like a Twitch.tv spinoff by Amazon with a focus on sharing videos, but since they decided to focus on live streaming, that ship probably sailed. They probably still have the scale to do it, though, with AWS being what it is. Do you have any insight as to how Vimeo hosts and serves their videos and what their scale is?