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In 1793,the telegram was invented, and signals were the first sent along wires. Nowadays, over one billion people send messages by mobile using comunication satelites.
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Jonan Reis (Germany), Antonio Meucci (Italy), Elisha Gray (USA) and Alexandre Bell (Sconland)were all tryinng out the firsty telephones in the 1860 and 1870, but bellś was grated the first patet in 1876.
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In 1879 Thomas edison made a elephone with a separate and earpice.mouthpice
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In 1880s, all telephone calls had to go though an operator the operatotor anwered you call took the number you wanted and plubing in your line.
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In 1896 the first dial phones were used and by the 1920 ,cradle telephones were popular in Europa and the USA
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The mobile phone was invented in 1979 at Bell telephone lavoraties in USA: