This document summarizes the evolution and current state of social media. It outlines the speaker's experience with social media from building websites as a teen to her current job focused on digital media. Popular social networks are discussed, including Facebook, YouTube, Twitter, Instagram, Pinterest, Snapchat, Tumblr and LinkedIn. Key statistics are provided on the size and demographics of users for each platform. The presentation emphasizes that social media has undergone a major shift to being mobile-centric. It concludes by offering tips for getting started with social media.