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Oldest form of writing - Sumerian Language.
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Used in China during wars. Allowed soldiers to communicate with one another.
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This is a system that we use today where symbols resemble to spoken sound.
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First long distance communication discovered by Greeks.
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First well documented postal service established by Romanians.
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Samuel Morse invented telegraphs.
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Improvements made to the telegraph by Alexander Graham Bell -inventing a telephone
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Common radios powered by crystals
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Motorola was the first cellphone created by Martin Cooper
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Simon Personal Communicator IBM
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First social media site called 'Six Degrees'