Facebook was launched in 2004 and grew rapidly, reaching 1.1 billion users by 2013. The presentation addresses ethical issues around Facebook's business model and use of user data. Specifically, Facebook's success relies on aggregating and sharing user information for targeted advertising, yet this conflicts with users' privacy. The company's privacy policies and features have been weak, allowing user data to be compromised. While Facebook has a large network, its ability to respect user privacy while maintaining a profitable business model remains uncertain.