Today the the Copyright Office held a hearing on its Rulemaking on Exemptions from Prohibition on Circumvention of Technological Measures that Control Access to Copyrighted Works. The panel that testified on “compilations of lists of websites blocked by censorware (“filtering software”) applications,” included attorney Jonathan Band (who represents many organizations including the American Association of Law Libraries), David Burt, a pro-filtering advocate, former librarian and software tester who works for Internet filtering software company N2H2, Inc, and programmer/anti-censorship activist Seth Finkelstein.