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Changes in Communication.

By lmb808
  • Electro-Magnetic Telograph.

    Electro-Magnetic Telograph.

    Samuel F. B. Morse conceived of an electromagnetic telegraph in 1832.

  • Electric Telegraph.

  • The Pony Express was established.

    The Pony Express was established.

    The Pony Express is much like a mailing system that delivers letters from people to other people.
  • Alexander Graham invented the first electric phone.

    Alexander Graham invented the first electric phone.

    Alexander Graham designed a device that could transmit speech electrically.
  • Morse Code.

    Morse Code.

    The Morse Code is a code of dots and dashes used to communicate.
  • American Telephone and Telegrapph. AT&T

    American Telephone and Telegrapph. AT&T

  • Pager

    Pager

  • First Cell Phone.

    Martin Cooper.
  • iPhone

    iPhone

    invented by Steve Jobs

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