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We live in an age where technology is developing at a more rapid pace than ever. In ten years, there may be things that are taken for granted that we never dreamed about.
1) It can save their lives.
The number one thing to know about modern technology is that it saves lives. A child with a cell phone, for instance, can alert his parents or the police when he finds himself in danger. The cell is, therefore, one of the first things that children should be taught how to use. If you install the appropriate controls on it, then they will not be able to abuse the phone, or even discover areas that they were not meant to see.