Everybody will agree that internet is very important. We use internet for searching informations, for listening music, for wathing video and so on. Also in the internet we can communicate with friends and classmates. It is very comfortable. Now we have a lot of social clubs in the internet. For example: Facebook, Twitter, Vkontakte. And now we can find informations about all in the world. The most popular site for that is Wikipedia. There we can read about person and country about games and food and so on. And I am sure, every teenager has an internet at home.