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In 1973 Martin Cooper invented the first cell phone. It weighed two pounds! Because they were so big and expensive, at first cell phones were only used by the military and businesses. By 1983 they were smaller and much less expensive and used by more people in the general population.
From the Federal Communications Commission:
In 1973 Martin Cooper invented the first cell phone. It weighed two pounds! Because they were so big and expensive, at first cell phones were only used by the military and businesses. By 1983 they were smaller and much less expensive and used by more people in the general population.
http://www.fcc.gov/cgb/kidszone/faqs_cellphones.html
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