Introduction to the Special Edition on Social Media.

This special issue of the Journal for Technology in Behavioral Science includes articles focused on some of the diverse uses and issues related to social media use by the public, clients and patients, and health care professionals. Social media broadly includes many forms of electronic communications other than Facebook and Twitter, is continuously evolving, and for many a frequent form of communicating with others. Potential benefits and risks of using social media are identified with no clear consensus on many of the issues it presents.