This document summarizes key topics from a class on best practices in social media for communications professionals, including platforms like Facebook, Twitter, and YouTube. It discusses how social media can generate awareness, engagement, influence, and motivate action. Facebook is highlighted as the largest social network with over 1 billion users but notes it is constantly changing and that users are the product while advertisers are the customers. The challenges of measuring return on investment from social media are also addressed. Guest speakers for an upcoming class meeting are listed.