A system and method for scheduling the receipt of desired movies and other forms of data from a network. Feedback paths are provided so that customer's profiles and/or the profiles of the video programs or other data may be modified to reflect actual usage. Secure digital communications...http://www.google.de/patents/US5734720?utm_source=gb-gplus-sharePatent US5734720 - System and method for providing digital communications between a head end and a set top terminal 
