At least 269 convicted New Jersey sex offenders had profiles on MySpace, according to information provided by MySpace in response to civil subpoenas issued by State Attorney General Anne Milgram. What are the chances that these predators created profiles exclusively for MySpace and no other websites? Probably not good, but Milgram wants to know for sure. She has sent a letter to a dozen Internet social networking sites to determine whether convicted New Jersey sex offenders have created profiles on their websites. The letter was sent to Xanga.com, Facebook, Community Connect, TagWorld, Bebo, MyYearbook.com, Tagged, Friendster, LiveJournal, Imeem, Hi5, and...