This document discusses the key aspects of social media, including definitions and the major platforms. It outlines the "Big 5" social media sites: LinkedIn, Facebook, Twitter, blogging, and video. For each site, it provides tips on how to create an effective presence and engage with other users. The presentation emphasizes that content is key and encourages repurposing content across different social media channels. It also provides resources for learning more about measuring results and staying up to date on trends in social media.