This document discusses social media and networking. It defines social media as internet technologies that promote sharing of information, including wikis, blogs, podcasts, and social networking sites. Popular social networking sites mentioned are Facebook, Twitter, and LinkedIn. The document provides details on how each of these sites works and what they are used for. It also discusses other social media tools like Wikipedia and blogging platforms. Finally, it covers how students and instructors can use social networking for professional networking and career opportunities.