This document discusses social media and its use in healthcare. It begins with learning objectives about characterizing web 2.0 features, describing current social media trends among healthcare professionals and patients, and applying social media knowledge to education and professional development. It then outlines topics like web 2.0, how social media is used by patients and healthcare professionals, popular social media tools, and how to get involved. Examples provided include how social media empowers patients to be more engaged partners in their healthcare, the rise of medical apps and online courses, and Twitter thought leaders and hashtags to follow.