We just wrote about the UK‘s filtering systems blocking access to 20% of the world‘s top 100,000 sites, even though only about 4% of those host the porn Prime Minister David Cameron seems so obsessed with blocking. Also noted in that story was the fact that many „pirate sites“ are being blocked at ISP level via secret court orders.
MPAA head Chris Dodd absolutely loves web filters, proclaiming them to be the best tool the industry can (ab)use to thwart piracy.