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There were three categories in which cellphone came.The first one is The classic cellphones.The next one is Feature cellphones and the last one is Smart cellphones.

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Scientist have reported that the Health issues for using cellphone too much could include in brain activity,reaction times and sleep pattern.It could also increase the risk of cancer or any other disease.

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Most Cellphone are used to look up information(65 percent to look up information),(70 percent frequently and occasionally) and (67 percent to talk with friends or family)in America.

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Cellphone contains a toxic chemical that could harm the environment.All those toxin means your cellphone counts as hazardous waste.500 million cellphone go to the waste so that adds up to a lot of hazardous waste that goes to the landfills and there into our environment.

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Apple iPhone is the most poplar cellphone in all the cellphone.It was designed by apple Inc. The.The first iPhone was released on (June 29,2007).There are nine iPhone models each accomplished by one of the nine major releases of iOS.

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A cellphone is a radio,a extreme radio.Cellphone can only send a signal over only a short range like a walkie-talkie.A cellphone relies on a signal to transmit and receive voice and data information

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Teenager use their Cellphone most often for texting,checking email and taking picture.Cellphones could also ruin your relationship with other people.

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One of the positive impact is that cellphone make it a lot easier to stay in touch with the people and it makes it easy to plan and schedule their daily routine.The negative impact of Cellphone are that if you use a lot of Cellphone it could cause pain in your hands,back and neck.Cellphone could also cause Arthritis and it could lead to weak vision.

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Many of Early Cell phone were considered to be car phones as they were too large to carry around.However in 1983 the Motorola arrived in the market and it was considered the first truly cellphone because it was small enough to carry around.The cellphone was incredibly was very expensive.After that in (June 29,2007) the iPhone was released. Early cellphone was just for talking and then they added the voice mail.In recent years the purpose of the cellphone shifted from a verbal communication tool to a multimedia tool

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In the future phones are going to get lighter,wider and more powerful.Cell phones will be more eco-friendly  to the environment and hopefully get much better battery life as technology advances.

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The person who invented cellphones was Martin Cooper.Martin Cooper was born on (Dec 26,1928) and was a American Engineer.He was a pioneer and visionary in the wireless communications industry.Cooper conceived the first handheld phone(distinct from car phone) in 1973 and brought it to the market in 1983.