7 historical facts on how mobile phones have changed the world

Day 3 April 1973, the year has changed the life of mankind, and has become a landmark for the development of communications. On this day, the people of Motorola Martin Cooper made the first call in the history of the New York office of Motorola DynaTAC. Senior engineer at Cooper boastfully told his interlocutor that he became the first man in history, talking on his cell phone. The device was about 22 cm in length and includes 30 cards, talk time is only 35 minutes and the charge - 10 hours.

10 years after the first call Motorola, I was finally able to release a model in DynaTAC 8000X. sale, which at that time was worth $ 3,500 and weighed more than a kilogram. Like today vosmidesyatipyatiletny says Martin Cooper, because of the high cost and the impressive size of the first mobile phone, he believed that such phones will never be popular in the global market.

The expert of the Institute of Engineering and Technology, Mike Short, described the first call Cooper as "a breakthrough and challenge the public." According to him, before the launch of a mobile phone on the market, engineers and scientists have conducted many studies and tests in the field of telecommunication. "Since the first use of the phone 40 years ago, our lives have changed because of cool technology - he says - the first decade can be called the demo era, when we tried to understand the market, clients and their needs. Then came the globalization of digital technology, sales skyrocketed. This was hard to imagine a couple of decades ago ».

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Catherine Snyatovskaya

via factroom.ru