In 21st generation, internet plays a significant role in people's life. It helps and affects most of fields around the world, such as education, medicare, business, etc. However, it gives both positive and negative sides to human.First, we can learn and work more effectivelly. It provides us witha great deal of information. Secondly, It is also a means of entertaiment when we want to relieve stress and pressure as well as we can connect with friends  whenever we want. Nevertheless, Internet can be a harmful part for those who access it in the wrong way. Users may also be hacked and sloten personal information. Therefore, Internet is good or bad, it depends on how we use it.

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  In my opinion, using computer have many benefits and harmful. Firstly, using computer help learn many new languages. Secondly, it help you make new friends in Internet. Finnaly, it help you relax. In addition, it have many harmful. Firstly, sitting all day in front of the computer can cause health problems. Secondly, if you use the computer too much you won't have time for family and friends. Finally, you may get irritated. In short, using computer have many benefits and harmful.