Book excerpt: This timely guide reminds readers of their legal rights and responsibilities online. Reviewed by legal experts, it outlines the laws of cyberspace and some of the common activities and practices that can trip up young Web users. It also offers readers an overview of what to expect if they or someone they know gets into legal trouble, including what happens in court and what their rights are. Real-life events help explain what can happen when the law is disregarded. It also highlights some perhaps surprising legal parameters, in hopes of keeping readers mindful of safe, responsible, and legal Internet use.