Ebay posts every character a user types into the password box

Re:Ebay posts every character a user types into the password... by brokenmachine on Thursday June 30, 2016 @02:39AM (#12006970)

Or they want to disallow reusing previous passwords, without leaking them to the client.

As an aside, I have always wondered how it is possible to disallow reusing previous passwords if the password is only saved on the server as a salted hash, which is recommended I believe.