Mobile phone birthday: from "brick" to Apple iPhone

At mobile phones birthday. Exactly 46 years ago, on April 3, 1973, the engineer of companies Motorola Martin Cooper made the first call from the real cell phone. Also it is considered to be this date a reference point. Almost for half a century some form factors were replaced, smartphones acquired additional options and cardinally technologies communications changed. Day.Az with reference to Layf addressed to history and remembered the most important stages in development the industries of mobile phones. The device weighed 1,1 kg, and in length reached 23 cm...