This document discusses the concept of Medicine 2.0 and how doctors can utilize various online tools and platforms. It defines Medicine 2.0 as using web tools like blogs, podcasts, and social media to personalize healthcare, collaborate, and promote health education. It provides examples of how hospitals are using social media for customer service, education, recruitment and more. It also discusses specific tools in Medicine 2.0 like RSS feeds, podcasts, blogging, and social networks and how doctors can leverage them.