Katie Hafner’s Where Wizards Stay Up Late chronicles the origins of the Internet, the most important communications breakthrough since the telephone. At a time when computers were mainly used as processing machines, one man, J.C.R. Licklider, a psychoacoustician from MIT, saw their potential as communication devices. With the help of a small group of engineers and researchers, Licklider’s vision eventually yielded the Arpanet, which in turn created the foundation for the Internet we know today.