Internet has been playing a more and more important role in our daily life. It's fast and convenient for us to get information.We can use it to talk to differnt people in the world. Futhermore, a majority of people go shopping online in which internet is a key factor.However, it may let people get in troble if they dodn't use it correctly. There are a lot of tenenagers who are addictated to playing computer games and many people are cheated by their e-pals. Therefore, we'd better treat it rationally.