It's very common for schools, offices, public places or have sites that are blocked and are often the most interesting as Youtube, Facebook, Twitter, Myspace, etc.. If you're in this situation there is now a way to unblock these sites to navigate calmly through them, service them is present on this occasion Surfzulu.
This service works with a proxy which blocked any site that is available because it uses a different IP and cookies are removed so that we do not detect blocking. To use this service is not required to register or pay anything, you just have to enter the site and put the URL of the site you want to visit.