The first communications satellite called Telstar, was launched from cape Canaveral on July 10 1962. this market the start of rapid transmission, of TV signals over wide areas. What we take for granted today -satellite television cellular telephones, wireless and high-speed internet connections, and so forth-were part of science fiction only 40 years ago. Teenagers today are the first real citizens of the digital world.Unlike their pare, they have grown up in the world in which electronic delivery of information and entertainment is natural and more accepted than conventional forms like the newspaper, tape, or film.