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Smoke signals were used when someone needed to send a long distant message. It is not known when they were first used but the Greeks started using the alphabet smoke signals around 150 AD.
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Cave drawings where created for communications as a form of rock art. This started around 30,000 BC.
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Writing is the development of expressing langage by letters, words, or symbols marked on paper or other object. This was created around 2700 BC.
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The alphabet is a set of letters or symbols in a fixed order used to represent the basic sounds of a language. This was created in 1700 BC.
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Johann Gutenburg invented an axtual printing press in 1450. He was the first to use a press to print the Bible.
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In 1714 an Englishman, Henry Mill, received the first patent for a typewriter.
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Joseph Henry invented the first electric telegraph in 1831.
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Alexander Graham Bell invented the telephone in 1876.
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The first email was sent by Ray Tomlinson to himself in 1971
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In 1973 a global computer network emerged, providing a variety of information and communications facilities.
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The software that was created to allow people to call people on their computers or phones.
