Describe the evolution of the cell phone. How are the earlier models different from the smart phones we use today. Give examples of some of the early models and provide interesting details (price, functionality, size and weight).

How have cell phones changed over the years?

Cellphones have evolved rapidly since handheld mobile phones first appeared in the 1970s. Generally, phones have evolved to be more compact, to have longer battery life and to allow addition of features beyond making calls, like running apps and sending text messages. ...

Explanation:

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