At present, mobile phones are indispensable items in the life. However we still don't understand about the benefits and harms of it. About the benefits, it helps people easily exchanges, global connections. Can we update the news wherever you are. Also, can determine the position, due to the easy road. In addition to the above benefits, it also exists in many harmful effects. The first is making people increasingly passive, dependent on it. Second, while the increasingly limited to meet friends. So let's be smart users.
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