Nowadays, teenagers like using the internet for many reasons. Firstly, the internet is a very fast and convenient way for teenagers to get many information about: education, entertainment...Secondly, of all free time activities, chatting with friends on the internet is the most popular activity teenagers like doing. However, there are some disadvantages of using the internet. For example, internet can distract teenagers from studying because of many interesting games. Besides, if teenagers always use the internet to find the answer, it can make them more passive and making teenagers lazy to thing. Let's reduce to use the internet and reading more books.