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The telegrams were messages transmitted through an electric device via Morse code.
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In 1876, the first telephone was created. It wasn't a long-distance call.
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The first telephone was created in New York to London was in 1926.
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He was an inventor from the USA. The mobile phone was 25 centimeters long. It weighted more than one kilo.
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In the 90s, the IBN company invented the first touchscreen phone.This phone sent emails and messages.