LinkedIn is a business-related social networking site. Founded in December 2002 and launched in May 2003, it is mainly used for professional networking. As of 22 March 2011, LinkedIn reports more than 120 million registered users, spanning more than 200 countries and territories worldwide.
Therapists on this site are involved in assisting people to make changes therapeutically. Their websites offer diverse information to extend the knowledge of the reader and therapists alike.