“Don’t you know where I’m calling you from?”: It was the first call on a mobile phone 50 years ago.

He cellular telephone It has become a fundamental part of our lives. We call, check our social networks, chat on whatsapp or other applications, all from a device that fits in our pocket. However, Exactly 50 years ago, this was an unthinkable idea.

April 3, 1973 Martin Cooper used Motorola DynaTACwho weighed 1.3 kg and was 23 centimeters tall to call Joel Engel, a researcher from Bell Labsdirect competition Motorola. Since that day, everything has changed for the world of devices mobile.

“Why don’t you know where I’m calling you from?” – Cooper said to his interlocutor, walking through the streets NY with a mobile phone in hand. The device used was a prototype that took 10 hours to charge and had a battery life of only half an hour.

In 1975, there were 5,000 mobile phone users on the planet, and they were used only for calls. Today there are billions of users with a mobile phone constantly in hand or in their pocket, and they have evolved so much that calling is now the least used option by mobile phone users. smartphones.

The evolution continues as year after year, companies around the world issue new patents to innovate with better designs and features in these types of devices that have a history of over 40 years. In this decade, foldable phones are gaining more and more popularity.

Mobile phone maker sometimes feels ‘fatal’

Martin Cooper thinks we’re “a bit obsessed” with cell phones these days.

last iPhone and renews it every year, but causes mixed feelings.

“When I see someone crossing the street looking at their phone, I feel terrible. They don’t think,” he said. AFP 94 year old engineer in his office in Del Mar, California.