Zalety:
Firstly, using the Internet you can quickly read the newest informations. Secondly, with e-mails you can be in touch with your friends from all countries. Moreover, you can play some online games or listen to music.
Wady:
You can easily become addicted to the Internet and don't have much time to do other activities, like meeting friends or doing sports. What's more, the Internet connection isn't free, so you have to pay for it. Furthermore, in the Internet you aren't annonymous, so you have to be cautious.