441:evolution vs devolution

We can't differentiate absolutely good and evil, like coins have two sides. Sometimes, I suppose the way we use one thing depends on how we think it. I believe Internet can improve me study efficient and Internet help. With a new thing invented, it help us to solve some problems but also brings some new troubles. Safety belt can keep us more safe, but it makes people less careful. Actually, safety belt don't decrease traffic accident rate but rise. Whether it's invention an evolution or devolution? 

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