I also don't think it needs to be said, but I'm going to say it anyway: this type of "anonymity" from Facebook is nothing like the true anonymity you get from s

I also don't think it needs to be said, but I'm going to say it anyway: this type of "anonymity" from Facebook is nothing like the true anonymity you get from something like Tor. So don't buy your drugs with an "anonymous" Facebook login.