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In 1880 Alexander Graham Bell developed the technology to transmit voice signals over an optical beam.
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The technology to enable phones to communicate from a base station was proposed in 1947
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car phones were invented in 1956 in Sweden.
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First cellphone was made by motorola in 1973
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Microcomputers started to be mass marketed in 1977 and the name “Personal Computer”.
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Allowed on homes in 1978
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first invented in 1984
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first laser writer ever
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iphone 1 in 2007
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most advanced phone of our time.
