This document summarizes social media and discusses common misconceptions about it. It defines social media as user-generated content and direct interaction between users. Some examples provided are Facebook, MySpace, Flickr and Twitter. Common myths debunked are that social media is just for teens, requires no user input, can't be trusted as a source of information, and is frivolous. The document also discusses privacy concerns with social media and different types of social network sites like those for social communication, business, content creation and cultural/interest groups.