This document discusses the dangers of sharing personal information on social networks. It provides examples of how a person's identity was stolen after the criminal was able to gather many details about the person from their online profiles on sites like LinkedIn, MySpace, and from a PhotoSynth photo. The document warns that information shared online can have real-world consequences if used for bullying, stalking, burglary or other crimes. It advises reviewing privacy settings and being aware that anything shared online can become permanent public information.