Because we believe that freedom of speech is meaningless without the freedom to read. Confidentiality and privacy are essential to these freedoms, because if library users have to worry about being judged, punished, ostracized, or put under surveillance, they may censor themselves. They may not seek answers to their questions or read the things they want to read, either in print or online. To be free and to govern themselves, people must be able to explore ideas, even controversial ideas, without fear.