Your first paragraph is inaccurate. The IWF[1] does operate such a blacklist, but it is not secret and they are not involved in the blocking of piratebay by UK

Your first paragraph is inaccurate. The IWF[1] does operate such a blacklist, but it is not secret and they are not involved in the blocking of piratebay by UK ISPs. [1][http://en.wikipedia.org/wiki/Internet_Watch_Foundation http://en.wikipedia.org/wiki/Internet_Watch_Foundation]