40 000 before christ - Gestures, facial expressions and sounds, which are accompanied by basic emotions and ideas were the main means of communication , 30 000 before christ - Language has become the main way of communication. People began to communicate with each other using a speech device, 3 000 before christ - People have learned to convey their thoughts through writing. At that time, letters had not yet become a popular means of communication, but they were used by more educated people., 15 century - The invention of print media ensures the transfer of information through newspapers, books and magazines, 20 century - Appearance of radio and television, 21 century - appearance of modern means of communication such as smartphones, internet, mass media, artificial intelligence.,

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