Last we heard from Cablevision, it was bringing its Optimum Online live TV streaming to Windows and Macs. Shifting directions to its more "traditional" cable offerings, the company now has good news for folks who've been generally bummed out about the 24-hour viewing window allotted with movie rentals on its iO TV service. Just in time for your weekend movie marathon, the company has announced that "hundreds" of its on-demand movie rentals will now last for 48 hours with unlimited viewing -- huzzah! As usual, content pricing starts at three bucks, and you'll be pleased to know that all that extra
