It has been obvious that they were bad for a while. I called it years before: http://joshua.schachter.org/2009/04/on-url-shorteners http://joshua.schachter.org/

It has been obvious that they were bad for a while. I called it years before: http://joshua.schachter.org/2009/04/on-url-shorteners http://joshua.schachter.org/2009/04/on-url-shorteners And no, the answer is not running more shorteners. You are just making the problem worse.