Index on Censorship reprints a censorware article I wrote for it a while back:
Web filtering: Keeping it clean? 11 Oct 2011
David Cameron has announced plans to block access to pornography online, with providers offering the choice to turn on a filter.
In a 2009 edition of Index on Censorship magazine Seth Finkelstein examines how indiscriminate blocking systems can be a source of censorship
I wish discussion of these censorware system would include the implications against privacy and anonymity. But in all the years of my trying to make this point, it never seems to get across into the debate.