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Period: Oct 4, 751 to
How communications have changed over time...
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Oct 26, 751
Paper is introduced
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Oct 27, 1305
The Chinese develop wooden block for type printing
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Claude Chappe makes the first long-distance semaphore telegraph line.
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Samuel Morse develops the Morse code.
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1844 Charles Fenerty produces paper from a wood pulp
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Almon Strowger patents the direct dial telephone.
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Radio station KDKA based in Pittsburgh began the first broadcast.
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The first television signal has happened
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First email was sent
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The first PC is born!
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The first text got sent
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Facebook just got launched
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Youtube is finally made and launched
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Twitter can be used