I don't really think you would, but it still seems strange to me. If you want to identify people somehow, why not use openid? By the way, that's not proof of a

I don't really think you would, but it still seems strange to me. If you want to identify people somehow, why not use openid? By the way, that's not proof of anything. Unless you give me root access to your box, so I can verify that you are in fact running the same code there. I promise I won't abuse my root access ;)