Internet Along with the rapid economic development and the improvement of science and technology，network began to develop and popularization，more and more people have PC ,and many things became easy and convenient .For example，people can find many movies，they can see a movie in their home.Because we have the chance to use the Internet, so，we can chat with many different people in different chat rooms，contact different cultures.Read other people's world ,and reacquainted ourselves. This is very interesting.