the first communications satellite called Telstar was launched from cape Canaveral on July 10,1962 This marked the start of repid transmisson of TV signals over wide areas.What we take for granted today-satellite television,cellular telephones,wireless and high-speed lnternet connections,and so forth-were past 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 world in which electronic delivery of information and entertainment is natural and more accepted then conventional forms like the newspaper,tape,or film