http://padmapper.com was entirely built by one man, Eric DeMenthon. He must be dealing with the new wave of traffic after Ashton Kutcher posted the link to my video.
Wish him luck, he has done a hell of a hacking job to put that site together.
So how do these third party authentication systems protect against this pretty straightforward javascript way of circumventing the authentication? Anyone know?
One step further is to make email as the username. This removes a field from the form and also improves the chances that the email given is really used.