Commoncraft make some excellent videos which provide a helpful introduction to many Web 2.0 applications such as RSS feeds, blogging, social networking, wikis etc. These videos are available in YouTube, but Commoncraft are now making them available via their own website under a creative commons licence.
All kinds of resources, from Twitter applications for physicians to visualizations of various categories of medical research on PubMed. Fantastic blog; do NOT miss it!
Web 2.0 use represents a profound departure from previous learning and decision processes which were normally controlled by senior medical staff or medical schools. There is widespread concern with the risk of poor quality information with Web 2.0 use, and the manner in which physicians are using it suggest effective use derives from the mitigating actions by the individual physician. Three alternative policy options are identified to manage this risk and improve efficiency in Web 2.0's use.