~Introduction to the Cellphone~

The cellular phone is one of the fastest advancing technologies we have. If you compared the phones of today and the phones from only 20 years ago you would find a world of difference between them. When cellular phones first came out they were stocky, heavy, not really mobile unless you had a suitcase.

Now you can find cellular phones smaller than credit cards and equipped with anything you need in case you are lost, need help, or just want to talk to friends. ?In less than twenty years, the mobile telephone has gone from being rare, expensive equipment of the business elite to a pervasive, low-cost personal item.?(History). The cellular phone is one of the fastest advancing technologies we have.

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