Everybody wants to kill cable, but which of these companies is leading the pack?

If the success of Netflix, Roku and Apple TV were just handwriting on the wall for a coming revolution in the way we watch TV, then headlines from the past couple of weeks have been colorful billboard-sized murals spitting the same message. Samsung's purchase of Boxee, Netflix's nine Emmy award nominations, and Google's recent Chromecast debut are all, in their own way, signs that the TV industry isn’t just about to change; it’s already in the midst of a full-blown metamorphosis.