Fjernsynsintegreret chat- og tilstedeværelsessystemer og fremgangsmåder

摘要

An enhanced television system which enables users to communicate using a television, both via messaging and telephone. Users or the system may create a buddy list. Users may send and receive program information to and from each other, and change programs based on received information. The system may maintain information regarding a user's presence on the system, availability for messaging, and television viewing.