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Telex
messaging starts as a way to distribute military messages -
Birth of the Modem
Computers “talk” over ordinary voice phone lines through modems.
Developed in 1949 for transmitting radar signals by Jack Harrington’s group at the Air Force Cambridge Research -
SAGE Air Defense System
Built by IBM, designed to detect Russian nuclear bombers. -
Networks come online
ARPAnet is the first large-scale, general-purpose computer network to connect different kinds of computers together. -
Internetting
First sketched out in 1973 by Vint Cerf and Bob Kahn
links the three networks ARPA, Packet Radio Network (PRNET) and Satellite Network (SATNET) -
The Internet
Officially launched in 1983. -
Worldwide Web
By Christmas 1990 Tim Berners-Lee has prototyped the "worldwideweb"