This document discusses the importance of social media. It defines social media as human-to-human connections through influence, advocacy and referrals. It outlines the evolution and various tools of social media, including statistics on global social media users. It then provides more details on prominent social platforms like Facebook, Twitter, LinkedIn, Pinterest, YouTube and Quora. It discusses how brands can humanize themselves on social media and strategies for individuals to get involved, such as starting their own blog.