The Internet appears to have become an ever-increasing part in many areas of people’s day-to-day lives. One area that deserves further examination surrounds sex addiction and its relationship with excessive Internet usage. It has been alleged by some academics that social pathologies are beginning to surface in cyberspace and have been referred to as “technological addictions.” This article examines the concept of “Internet addiction” in relation to excessive sexual behavior. It contains discussions of the concept of sexual addiction and whether (...) the whole concept is viable. This is done through the evaluation of the small amount of empirical data available. It is concluded that Internet sex is a new medium of expression that may increase participation because of the perceived anonymity and disinhibition factors. It is also argued that although the amount of empirical data is small, Internet sex addiction exists and that there are many opportunities for future research. These are explicitly outlined. (shrink)