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SEMAPHORE TELEGRAPH
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Camera
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TELEGRAPH
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Samuel F.B. Morse creates the telegraph
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Telephone
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Alexander Graham Bell creates the telephone
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Radio
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Guglielmo Marconi invents the first radio.
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Zimmermann Telegraph
President F.D.R intercepts a German telegraph to Mexico which causes them to go to war. -
Television
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Philo Farnsworth invents the first television
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Computer
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Cell Phone
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Martin Cooper invents the first cell phone
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Mp3 Player
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Kane Kramer invents the MP3 player
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Steve Jobs invents the fist iPhone
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iPhone 13