The present edition of the European Eating Disorders Review brings together new developments in the use of computer technologies in the treatment of eating disorders. The volume bears testimony to the creativity of colleagues from all over the world who have adapted diverse new technologies for the treatment of eating disorders, ranging from e-mail therapy (see papers by Yager, and Robinson and Serfaty) through to palm-top computers (see paper by Wonderlich and colleagues), tele-medicine (paper by Mitchell and colleagues) and textmessaging (paper by Bauer and colleagues). Impressively, the use of these technologies is targeted at all stages of the treatment process from prevention of eating disorders in individuals at risk (see paper by Zabinski et al.) through to relapse prevention in those with an established disorder. Some of these interventions are stand-alone, technologically delivered interventions such as the CD-ROM-based treatment for bulimia nervosa described in the paper by Murray and colleagues, others are technologically mediated (e.g. e-mail therapy; tele-medicine) interventions. Yet others combine automated treatment components with therapist input, e.g. as in the virtual reality-based treatment described by Perpina and colleagues, the internet-based prevention programmes, the palm-top treatment, and text-messaging programme described here.Different motivations for the use of new technologies arise from peculiarities of different health care systems, e.g. such as having to bridge the gap between inpatient and outpatient treatment, or practical problems of service delivery such as geographical distance. As ever, reducing cost is another motivator for using technology-based treatments. But there are also other motivations prompting the use of new technologies, which are much more to do with the particular characteristics of eating disorder sufferers, such as the sense of shame, that is so commonly found in eating disorders (see editorial byEuropean Eating Disorders Review