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Cell Phone


Enviado por   •  11 de Marzo de 2013  •  222 Palabras (1 Páginas)  •  534 Visitas

We can say that the history of the cell is short but intense.

Even though the first call that was made from this small wonder (although at that time it was not so small) was on April 3, 1973 and who did it was who patented the invention Martin Cooper who were commercial Manager of Motorola systems, studies to get to what we know today are being conducted since some decades before.

26 Years of the launch of the first model of cell phone, the DynaTAC 8000x of Motorola, - known as the "brick".

First phones were almost Gret due to the high cost that also had were quite uncomfortable: weighing almost a kilo! And the battery lasted less than an hour.

Today almost half of the inhabitants of the planet has one, more than 80% of the world's population has access to mobile network more than a billion units were sold in the year 2008. It is the most requested gift for the holidays or birthdays.

Models are varied and not only function as cell, that there are compliance agenda function, machine photos and video, some are used for chat and needless to say the text messages.

Clear that this generated a dependence, anyone out on the street without his cell phone and was certainly not outside study of psychologists, sociologists and professionals in many other branches.

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