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In January 1978, two guys from Chicago, Ward Christensen and Randy Suess, decided to devise a simple communication system between two computers, through a telephone line. They used the first generation of 110-baud Hayes modems that appeared first en April 1977. Christensen, who wrote the first binary file transfer protocol in August 1977 (MODEM.ASM, then XMODEM), developed the software, and Suess designed the hardware. One month later, their system was running. They called it the Computerized Bulletin Board System (CBBS). After several months of tests and improvements, CBBS finally went online to the public in 1979. It was the first electronic message-posting network (except time sharing systems) where participants could post messages to a public "board", read and respond to other ones and thus participate to virtual discussions.
Approximate Word count = 387
Approximate Pages = 1.5
(250 words per page double spaced)
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