the first communications satellite,called Telstar,was launched from cape Canaveral on July 10,1962.this marked the start of rapid transmission of TV signals over wide areas.what we take for granted today-satellite television, 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 parents,they have grown up in a would in which electronic delivery of information and entertainment is natural and more accept than conventional forms like the newspaper,tape,or film