This is how you're being tracked when using BitTorrent

Watch and learn, people. Obviously there are other ways for this to happen, but this should give you a general overview of how it works. There are some counter measures, but nothing is fool proof. Tread lightly is what comes to mind when doing anything that’s deemed to be an act of piracy.

Video: How People Are Tracked Using BitTorrent [Torrent Freak]