@ hackersmag.blogspot.com [31/March/2012]
to bypass such a system is real real easy… just get a link redirected from any in the batch of URL Shorteners, Page Translaters, Proxy or….. Simple get up a new machine on cloud and get it to bounce the URL back to desired URL.
Even if FB’s awesome team succeeds in blacklisting in ever growing services of proxy and url-shorteners.
This technique of theirs wouldn’t be able to catch your newly specially launched service before you a some decent response time.