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The very first phones in the world
Before the appearance of the usual phones for us, their prototypes existed. But electric phones did not become the height of achievement, they were replaced by mobile (portable) phones, which have found wide application. Prototypes of the first phones An ancient prototype of a telephone existed among the Persian king in the sixth century BC. It was a service, which consisted of about thirty thousand people. They were called “royal ears” and, being located within earshot on the watchtowers and hilltops, they transmitted messages to the king and orders from him for great distances. Continue reading