We also work closely with the development engineers from many of the world's best automotive manufacturers and supply special wheels for development and prototype applications.
Infoworld estimated that there were 60,000 BBSes serving 17 million users in the United States alone in 1994, a collective market much larger than major online services such as Compu Serve.
One particularly influential example was PLATO, which had thousands of users by the late 1970s, many of whom used the messaging and chat room features of the system in the same way that would become common on BBSes.
Early modems were generally very simple devices using acoustic couplers to handle telephone operation.
Useful microcomputers did not exist at that time, and modems were both expensive and slow.
Community Memory therefore ran on a mainframe computer and was accessed through terminals located in several San Francisco Bay Area neighborhoods.