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Prehistoric man communicated through grunts and other sounds. Also, with physical signs with hands and other body movements.
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They represented the ideas by means of symbols (hieroglyphics), this way the information could be transported to great distances by different means like papyrus paper, wood, stones, walls.
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The ROMANS used torches, placed in groups separated from them, at the top of the mountains to communicate in times of war.
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Communication by means of messages written and carried by men on foot. The Aztec kings made them run great distances, to bring messages and fresh fish.
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The birth of TELEGRAPH. The Telegraph, the first form of electrical communication. Invented by Samuel Morse.
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Patent # 174,465 is granted to Alexander Graham Bell. The birth of TELEFONIA, the first telephone message was transmitted when G. Bell called his assistant, Thomas Watson, who was in the next room, and said the immortal words "Watson, come here; I want you . "
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Heinrich Rudolph Hertz showed that electromagnetic waves existed and that they could be used to move information at very great distances. This would be the predecessor of electromagnetic propagation or radio transmission.
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Guglielmo Marconi obtained the patent on wireless communications technology (radio).
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Experiments are performed with AM (Modulated Amplitude) radio diffusion. First transcontinental telephone line with electronic repeaters.
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As telephone use increased day by day, it was necessary to develop a methodology to combine 2 or more channels over a single wire. This is known as "multicanalization". HEY. Armstrong perfects radio receiver superheterodyne The first FM Radio Station, KDKA in Pittsburgh, is established.
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First computer, called Z2 by Konrad Zuse (German).
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The birth of high-speed digital communications. The data transmission service is offered commercially; broadband channels for digital signals; PCM is used for TV and voice transmission.
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The United States government gives life to the INTERNET when a team of scientists begins to do research in computer networks. The research was funded by the Advanced Research Projects Agency -ARPA, an organization of the US Department of Defense, better known as ARPANET
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Canada and the United States developed satellites for communications in North America.
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CELULAR TELEPHONY is born
The first formats of HDTV are born -
In the United States, cellular telephony begins with digital technology. Intel Corp. introduces the PENTIUM processor. The following year, users begin to detect faults in the microprocessor, which creates a great controversy.
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In November '98 the services of the Iridium low-orbit (LEO) satellite system begin. On December 4, Mexico launched the fifth satellite (SATMEX V) that will replace Morelos II.
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Facebook was born in 2004 as a hobby of Mark Zuckerberg, at that time student of Harvard, and as a service for the students of its university.
Facebook is a social networking website created by Mark Zuckerberg and founded alongside Eduardo Saverin, Chris Hughes and Dustin Moskovitz. -
WhatsApp is a company created in 2009 by Jan Kuom, a Ukrainian born in a village settled on the outskirts of Kiev, and Brian Acton, an American who worked for Adobe, Apple and Yahoo
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The United States turns off analogue television to make way for Digital Television.
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With the mooring work to the beach of Sopelana (Vizcaya) today has started the deployment of the submarine cable Marea, the fastest between both sides of the Atlantic. It will be able to transmit 160 terabits per second (Tbps).
