The document summarizes PatientsLikeMe, a website that allows patients to track their health indicators, share their experiences, and connect with others who have similar conditions. It discusses how social media and mobile technologies have organized health information sharing and given individual stories collective wisdom. Patients are able to engage on the site by creating health profiles, finding support from others, learning from community reports, and bringing their improved understanding to doctor appointments to facilitate treatment conversations. The site aims to transform individual experiences into aggregated data and put experiences into clinical context to advance medical knowledge.