The document discusses the relationship between privacy, security, and trust. It argues that privacy and security cannot be achieved at the same time and uses examples to show how individuals often surrender some privacy for increased security. These examples include a teenage boy allowing parental controls on his game console in exchange for being able to play games, and employees having their email monitored at work for security purposes. The document also discusses how individuals trust companies and services not to abuse their private information despite losing some privacy, creating a triangle between privacy, security, and trust.