The Snapchat app provides a way for social media users to share content that disappears after a brief time with their friends. In Europe, Google is fighting an intense legal battle over what some call the “right to be forgotten”; users want the option to dictate to Google whether it will be allowed to display results when people search about them. On the other hand, some people who believe that “information wants to be free” say that if a person posts online it should be with the expectation that the content will be permanent and that you forfeit control over others’ right to access it. Which argument is correct?