40 years ago from now, April 3, 1973 day, the phone rang in the US telecommunications company established by Bell Labs AT & T. Joel Engel (Joel Engel) was a director directly.Who have drawn up the phone carrying a new invention in human history, the stroke was Martin Cooper (Martin Cooper) researchers.When he wrote to call a mobile phone Engel Director was chosen Still "hear Nha holding a brick" the phone is large and heavy, it is what is choose Dyna hear the Finjan was a true brick your phone. This is because the span exceeds the length weighs more than 1kg....Read more
