Well, it has usernames. That's a policy in and of itself! The policy, then, is completely implicit: you can have any valid username which may or may not reflec

Well, it has usernames. That's a policy in and of itself! The policy, then, is completely implicit: you can have any valid username which may or may not reflect your own name. Oh, and you can't change them after the fact. As far as I know. That would be a nice feature...