Friendster.com. For a few months, it was a secret cute-kid sex party. Then all your exes heard about it. Then Courtney Love got on it. Then strangers started insisting you’d shared some magical experience with them outside Tuscaloosa. You told them you’d never been to Tuscaloosa and that they must have the wrong person. Then they told you your pet hamster’s name from when you were five and you started shaking.