A registration form and backend that would return the error "please choose more unique password" if you choose a password that was already stored (in plain text) in the database against another username.
at least these guys have a real garden and compost bin, instead of a vege pod and a hungry bin, which I think are a better indicator of bourgeois affluence.
Part of me is screaming that having enough yard space for a proper garden and compost bin is the better indicator :-)
How do they talk?