Trouble is how many connections you might have created accidentally. If you combine all of someone's posts together, many people have revealed enough informatio

Trouble is how many connections you might have created accidentally. If you combine all of someone's posts together, many people have revealed enough information in total to figure out their true identity. Especially if they have a unique, google-able username that they have used on several different sites on different subjects, and you combine everything they've said on every site. Of course, there are ways to throw some dirt into those gears, like posting fake details or trading/selling accounts every now and then...