Мольный телефон

In April 1973, the chief engineer of the "Motorola" Martin Cooper calling the first mobile phone, embodies the dream of mankind of instant communication without wires. However, commercialized production of cell phones were delivered only in 1983 Since then, their distribution has gone rapidly. And in today's world has operated 3.3 billion cell phones. This means that these phones have virtually half the world's population.