This document discusses the risks of sharing personal information on social media and how criminals can use details from social media profiles to target individuals. It notes that as social media grows in popularity, so do the risks like hackers, spammers, and identity thieves. Personal details that seem harmless can be combined by criminals to steal information like login credentials. The document advises users to limit what they share online, avoid posting vacation details or photos with address information, and to customize privacy settings to limit what strangers can access.