The document discusses the impact of social media and how it can be used for teaching, research, and outreach. It describes key aspects of social media like being built on networks and sharing user-generated content. It also provides statistics on social media usage from a 2011 survey. Several specific social media platforms are mentioned like Facebook, blogs, Twitter, Quora, and Livestream. Faculty are encouraged to consider these tools and whether having a social media presence would help them personally or professionally with teaching, research, and outreach.