The document discusses various celebrities and their social media presence. It provides statistics on the number of Twitter and Facebook followers for celebrities like Lady Gaga, Justin Bieber, and Cristiano Ronaldo. It also discusses how some celebrities have used social media to connect with fans and promote their work, like Conan O'Brien creating his Twitter account and fans starting the #TeamCoco hashtag and website to support his comeback. The document also briefly mentions social media platforms and apps like CrowdRise, Pinterest, and YouTube.