Many teenagers use computers to play computer games, chat on the internet and make friends with strangers from all over the world. The internet can let students know what is going on in the world and build a connection between students and the world. Internet also provide more chances for teenagers to meet new friends. They can get a better understanding of the world and know a lot of information that they can't learn from the book. students also use computers to do some research and get some informations in a faster and more convinient way. So it is good for students to use the internet.