mass media

Explores the invention of telegraphy, early experiments with radio, and inventions for storing sound and discusses how these developments impacted American history and society.

An illustrated history of communications and media, discussing body language and gestures, writing, postal systems, the press, radio and television, propaganda, the computer revolution, and many other topics.

Describes the history behind twenty communication inventions including the television, computer, radio, CD, e-mail, and the Internet.