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The grimaces or sounds were enough for our ancestors to communicate.
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Hieroglyphs were captured on stones or walls.
The Egyptians were the first to implement this so as not to forget their activities. -
Smoke signals were used to light bonfires, make known where you were, and even increase enemies.
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This instrument was used to make telegraphic signals by means of the reflection of the rays of the Sun in a movable mirror.
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They were papers made of rice and work began on structures that were able to capture ink on them.
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The printing press was created by Johannes Gutenberg to facilitate writing.
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This alphabet was created due to the increase of deaf people.
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The telegraph was capable of sending sound signals to the other side of the ocean at the push of a button.
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The phone was tested and patented by Alexander Graham Bell, a device that transmitted sounds over a cable through electrical signals.
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The first social network was created in late 1997 founded by Andrew Winreich and developed by the Macroview company, but currently there are various social networks that allow us to communicate with anyone anywhere on the planet with internet access.
