http://sharjeelsayed.blogspot.com/2006/03/beat-censorship-using-these-proxies.html Many offices, ISPs and countries like Saudi Arabia,China,Pakistan dont allow their surfers to access some sites which them deem inappropriate. Here is a list of 300+ proxy sites which let you surf any site: (links on link)
Brilliant... Except, that blog itself is blocked in middle eastern countries. Case in point, i can't open your link because its blocked, so whats the point posting it there? Whoever did it is a r****d because all the ISP's now have a hold of those 400+ links and will block them.