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Native Americans used smoke signals, controlling puffs of smoke of different sizes, to communicate with distant groups in their tribes. For example, they would. It was created in Chinas in 2000BC

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People entrain pigeons to send letters to other people. It was created in 12th century.

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The first practical typewriter was completed in September, 1867, although the patent was not issued until June, 1868. The man who was responsible for this invention was Christopher Latham Sholes of Milwaukee, Wisconsin. The first commercial model was manufactured in 1873 and was mounted on a sewing machine stand.

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You can use it to call persons. It was created in 1876

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In 1895 the first radio was created . Is used to listen music. Based on a lead sulfide (galena) semiconductor crystal, it was capable of receiving amplitude modulated signals (later it was also discovered that they could receive FM signals) in the medium wave and short wave bands.

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In 1907, two inventory the russian Boris rosing and thg english AA complet- swintom - combines a cathocle rays tube  with a mechamical scanning system to create an entirely new television system .

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Smartphones was created in 2007, smartphones is the actual technology an are cellphones, laptos, PC's , etc . They need to use internet.