Fascinating on many levels: Accidental Privacy Spills: James Grimmelmann dissects at length the story of what happened when a reporter sent some interesting but very informal conference notes to a few friends.

Remember how everyone keeps saying that distance is irrelevant on the Internet? Well, this is what happens when distance disappears. You wind up right next to the damndest people. The problem isn't that you can hear your loud neighbors; the problem is that they can hear you.