A favorites list of program channels which a cable TV user likely prefers is generated automatically, from which the user may select a program channel to watch. Each program channel in the favorites list is identified based on a measure of the duration in which the program channel is continuously tuned...http://www.google.ca/patents/US7509663?utm_source=gb-gplus-sharePatent US7509663 - Technique for identifying favorite program channels for receiving entertainment programming content over a communications network
