In 1973, Martin Cooper was given credit for creating the first hand held mobile phone. He is also the first person to make a cellular call. On April 3, 1973 he made a call to his rival Joel Engel using his Dyna-Tac prototype before proceeding to a conference where he unveiled his new invention. Over the years the mobile phone has evolved into a smaller more advanced model unlike the first two pound prototype. Cooper's invention allowed people to communicate with each other from anywhere in the world. People where no longer constrained to their cars and homes, but could now make calls as they were walking down the street if they wanted to.
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