• The principal that makes fiber optics possible, the guiding of light by refraction, was first demonstrated in Paris, in 1840.
  • A patent for the first wireless telephone was issued by Nathan Stubblefield, in 1908.
  • “Freephone” service, the precursor to Toll Free service, was introduced by the Post Office, in 1960.
  • The first modems were introduced in 1960.
  • Instant Messaging first appeared on multi user operating systems like CTSS and Multics in the mid 1960’s.
  • Email started as a way for multiple users of MIT’s time sharing mainframe computer to communicate, in 1965.
  • Caller ID was first invented by Theodore Paraskevakos, from Greece, in 1968.
  • Ethernet was developed by Xerox between the years 1973 and 1975.
  • VoIP was first discussed in a paper titled “A Protocol for Packet Network Interconnection” but the Institute of Electrical and Electronic Engineers, in 1974.
  • The earliest routers were introduced by Xerox, in 1974.
  • Voicemail was introduced by IBM and Xerox in 1975.
  • IBM introduced the first portable computer, the 5100, in 1975.

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