摘要:R ecent press reports have claimed that the excessive use of online social networking sites (SNSs) may be potentially addictive. The mass appeal of social networks on the Internet could potentially be a cause for concern, especially considering the increasing amounts of time young people spend online. On the Internet, young people can engage in a variety of activities some of which may have the potential to be addictive. From a psychological perspective, it may be plausible to speak of 'Facebook Addiction Disorder' (or more generally 'Social Networking Site Addiction Disorder') because addiction criteria, such as neglect of personal life, mental preoccupation, escapism, mood modifying experiences, tolerance and concealing the addictive behavior, appear to be present in some people who use SNSs excessively (Young, 2009). As a consequence of the increased media attention to headlines about 'Facebook addiction', we recently reviewed all the scientific evidence on the topic (Kuss & Griffiths, 2011a). This article briefly summarises what we found