That's definitely still to be argued. I would have a reasonable amount of privacy if I used a random GUID to provide a hidden link. In that implementation, the

That's definitely still to be argued. I would have a reasonable amount of privacy if I used a random GUID to provide a hidden link. In that implementation, the link is a username-less password. That's how Craigslist, Pastebin, and email resets for all sorts of services work. And that too goes to the heart of passwords are inherently obfuscation. But that's a discussion for another time.