The Optimum App for the Kindle Fire has served Cablevision customers in search of a second screen for some time now, but now it's more like its siblings on iOS, PC or Mac. What we mean is that now it can stream live and on demand content subscribed to via your Cablevision service. That's the good news, the catch is that you have to be connected to your home network for the live streams to work, but at least all the cha
