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The Western Eletric Model 300 was sometimes easy to use. To ring the police it's 999 it's this number because it was easy to ring on these phones.
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The MTS Phone was a moblie telephone service. Normally they were in people's houses.
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This phone was invented so everyone could use it but they had to pay to use the phone.
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This phone was invented to replace the MTS. It was like the MTS but a little bit more improved.
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This phone was invented in 1973 by a man called Martin Cooper. It is invented becauase people needed a way to communicate with each other. It cost 3,500 dollars, not a lot of people had them because they were too dear.
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This system was introduced in 1983 by bell systems. It was released after the first moblie phone so people could communicate in the house instead of carrying the phone round with them all the time.
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The first ver touch screen phone was invented in 1992. The mane of the phone was IBM Simon.
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This phone is the first web-enabled moblie phone in the world. The people who invented the phone with internet was a company called Unwired Planet.
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This was one of the first ones where people could text each other as well as calling them.
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This Phone is called the iphone 4S. It is the newest phone that is out right now. It is very different from the first phone invented. This phone has got the interent it has got texting it also has a camera on it which phones never had. Our technology has changed a lot in the last 80 years.
