Where to go for medical advice on the Web. Atul Gawande - Slate Magazine: "So perhaps you're right that patient-supported Web sites as opposed to physician-supported ones may ultimately have the most impact on the practice of medicine--in both positive and negative ways."
This article was published in 2000 - but unfortunately, not much has changed.
Web 2.0 is the flavour of the day, but there still aren't enough clever platforms which allow patients to collaborate and help each other. This is an area which is ripe for disruptive innovation !