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It helped to provide energy to things without the need of wires.
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It helped to communicate with people from far away places and, more importantly, to be able to call someone even if I was on the street away from home.
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It has helped a lot because a computer can do a lot of things making easy our lives.
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It helps society increase our area of knowledge and make information available to everyone
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It illuminates rooms or other places when there is no natural light.