Today is the 40th birthday of the mobile phone. The world’s first cellphone call was placed on April 3, 1983. Martin Cooper, a senior engineer at telecom company Motorola, called another official at Bell Labs, a rival company, and said he was talking on a real cellular telephone.

Since then, the use of mobile phones has been increasing worldwide. It is an integral part of everyday life. Citing the International Telecommunication Union BBC As of 2012, there were about 6 billion mobile phone subscribers worldwide. And then the total population of the world was 6 billion.

Martin Cooper, 65, is said to be the father of mobile phones. At first he was a little skeptical about the market price of the gazette because of its high price, but he was optimistic that the cost would go down. Motorola’s first commercial Mobile phones The model was the Dynatac 6000X, which went on sale in 1983.

After the American telecom service provider AT&T invented the “car telephone” in 1980, Mr. Cooper began to dream of a cellphone. He wanted to create something that could assign a number to a person without assigning it to any place, desk or home.

The first Mobile phone The handset was manufactured by Motorola but in the end the US company could not hold the market. At one point, the internet firm Google bought it. Although Nokia has dominated the mobile market for a significant period of time, the Finnish electronics maker has not been able to survive with Apple and Samsung.