Using the computer, good points and bad points

Computer is very convenience. We often use computer. Computer has some good points. First, it is convenience. We can look various informations at any time. For example, some dynamic image, map, weather forecast, news and so on. And, it is easy to correct when we make a mistake while typing some sentence. Next, it is speedy. When we want to know some information early, we can know at once.

But, computer has some bad points. For example, computer makes our eyesight poor. So, we shouldn't use for many hours. And, we rely on computer. There is a habit writing letter in Japan. We don't forget this habit. And, there are a lot of information in the Web site. So, we have to judge correct information.
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