gehenna:lNomNoml: Didn't even know what this was until I looked it up, sounds pretty bs to me, who gives them the right to see what I am doing on the net.The law.
This is an interesting question. The monitoring companies are using publicly available information from torrent trackers. They track that IP to an ISP and send the notice to the ISP. The ISP is required by law to send that notice to you.