Developing information technology, including cell phones, the phone was launched on October 3, 1867 by inventor Alexander Graham Bell and his assistant and guest landmark event is the birth of the contact.In 1967, the phone is considered the first "mobile" the with the name Carry Phone, very cumbersome for the move because it weighs up to 4.5 kg.On April 3, 1973 mobile officially launched and it weighs 1 kg and carry the Motorola Dyna Tac, invented by founder John f. Mitchell and Martin Cooper.From then on the telephone now increasingly continuous development towards compact and not just a simple phone that half of it is also appropriate to many believe features the half.
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