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Even before they learned to make tools, prehistoric men communicated like other well-developed animals do. Thus, the communication of our ancestors included grunts, guttural sounds and screams.
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The gestures are by nature ephemeral and could not be preserved until modern technologies allowed their visual recording.
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After the first forms of spoken language, images were one of the first communication tools of our ancestors
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In the year 2000 before Christ the letter was invented to be able to communicate with other people from different places in the world.
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It serves to send messages to other people from one side to another to be able to communicate better with all the people with whom you want to communicate
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It is like the mailmen who know anything that was previously used more because there was no other safer way and it took much longer.
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The phone was improved to communicate because it was previously used only by cable and now one is communicated without cable.
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Used to announce things and report news so people know what is going on anywhere.
