http://halflife2.filefront.com/news/HalfLife_2_Pirated_Warez_Version_Info;13907
have you guys heard about that? I read a big article somewhere on it but I can't find it. But apparently valave released the Half Life two source code some say in order to track the people who use it. It has a back door or something and then when people use it valave bans their steam accounts.
Those sneeky bastards. This reminds me of why I love VALVe