Even if video game or Internet addiction is a new and undefined trend, many parents show some form of preoccupation. Indeed, computers have been introduced quite rapidly in most of our homes and it is not uncommon to see that children are more familiar with it then their parents. They can be quickly overwhelmed and feel concerned about the number of hours their children spend in front of the Internet or a video game. But what exactly do we call cyberaddiction? Is Internet and video game addiction a new behavioural disorder? And when do we start to worry?