The document discusses the popularity and risks of online social networks like MySpace among middle school students. It notes that MySpace has over 67 million members and is growing rapidly in popularity among teens as a private online space. However, it also presents potential risks like unsafe disclosure of personal information, addiction, risky behavior, cyberbullying, and interaction with dangerous individuals. The document provides a hypothetical example of a fake MySpace profile created by a sex offender to target teens, illustrating the need for educators to make students aware of online safety issues.