This dictionary traces the record of human communication, emphasizing its chronological and technological development as well as the major social implications of innovative communication methods.

Readers can learn about sign language, cave paintings, motion pictures, E-mail, cell phones, electronic publishing, satellites, telepathy, the Internet, videos, and microelectronics. They can also learn about inventors and others who contributed to the development and sociology of communications. Many of the 200 alphabetically arranged entries contain extensive cross-referencing or are accompanied by references for further study, and a complete bibliography and extensive index are also included. More than a simple chronicle, this volume may help readers understand the roots of controversies surrounding technological advancements in communications, from the introduction of the printing press to Internet censorship.-LJ