Geert Conard discusses the rise of Facebook, founded in 2004 by Mark Zuckerberg, which has become the leading social network globally with over 500 million active users and predictions of reaching 1 billion users by 2012. The document highlights the movie 'The Social Network,' based on Ben Mezrich's book, which portrays Zuckerberg's journey in creating Facebook and its impact on social networking. Additionally, it emphasizes the importance of online presence and effective use of social media for personal and business credibility.