Another example would be talk shows that have call-ins, this is the simpliest form of interactivity. The next form reguires a cable like box that is attached to your television set. This gives the ability to make programs interactive and communication lines btween the tv studio are open. As with every other technological equipment there are different opinions about what the decoder box should contain. Just like tv network, software companies, and radio stations.
Interactive television is a fear to some and a welcome market to others.
Being involved in game shows- answering questions along with the other contestants, just as they do. You could participate in local, regional, or even national polls, easily with your remote control. This could make all voting done from ones home. All with a remote. Students could set in on lectures happening miles away and participate in the questions and answers.