Cablevision took a major step into the future back in April when it opened up its full channel lineup for viewing on the tablet with Optimum for iPad, and now it's bringing that experience to other iOS devices. The new app, simply called Optimum, runs alongside the original and works on iPhones or iPod Touches, bringing the same controversial ability to stream live TV or play back video on-demand -- provided the viewer is still at home. That tether to your service address takes most of
