THE COMMUNICATIONS REVOLUTION
The first communication satellite, called Telstar, was launched from Cape Canaveral on juny 10, 1962 . This marked the start of rapid transmission of TV singnals over wide areas. What we take for granted today-satellite television,cellular telephones, wireless and high-speed Internet connections, and so forth-ere 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 world in which electronic delivery of information and entertainment is natural and more accepted than conventional forms like the newspaper, tape, or film.