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Joseph Henry invents first electric telegraph.
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United States starts pony express for mail delivery
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Guglielmo Marconi improves wireless telegraphy
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first telephone answering machines
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first cross continental telephone
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first tape recorder for broadcasting
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computers sold commercially
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Arpanet first internet started
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apple home computer invented
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first cellphone network started in the U.S
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American government releases control over internet and WWW is born making communication at light speed