It doesn't take astronomical amounts, though, as I think most cable lines can support at least that much bandwidth ;) What we're really seeing here is that the

It doesn't take astronomical amounts, though, as I think most cable lines can support at least that much bandwidth ;) What we're really seeing here is that the majority of the population is moving to internet video instead of their televisions. I imagine some TV networks want a technical guarantee that their video will be streamed uninterrupted by lag, at which point, it's only a matter of time 'till all video content is consumed.