21 сент 1973 г. - cell phone

Описание:

Martin Cooper invented the cell phone. They were a mobile telephone that were wireless that people could travel with. It made it easier for people to make and get calls when they were not home or at a place where a phone was available.


https://www.theatlantic.com/technology/...first-mobile-phone-call...made.../274611/
https://en.wikipedia.org/wiki/History_of_mobile_phones

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