you can talk to people other the laptops you Skype,msn and facetime all of these so you can see them and not be with them. but the video mite be in bad condition
you can go on the internet where ever you are
you can send text and its fast like bbm twitter Facebook and msn
disadvantages
it can distracted you while you are in school
lack of social contact
they cost a lot of money to buy them
