Verizon'sFiOSTVoffersaccess to a fewuser-generatedWeb sites; ComcastandTime Warnercablearerolling outservices that letsubscribersstream cable channels to their PCs.
All three perform the same basic function -- they let you stream TV from your cable box (digital or analog), satellite receiver, or DVR to a computer or mobile device -- it's just that each is aimed at different segments of the market.