This Tuesday is the day for the release of the DMCA exemptions, formally the Copyright Office "Rulemaking on Exemptions from Prohibition on Circumvention of Technological Measures that Control Access to Copyrighted Works"
A quick censorware DMCA exemptions reference:
Seth Finkelstein DMCA
testimony
http://sethf.com/anticensorware/hearing_dc.php
Seth Finkelstein DMCA
censorware exemption submission
http://sethf.com/anticensorware/legal/dmcacom.php
Seth Finkelstein DMCA censorware exemption reply
http://sethf.com/anticensorware/legal/dmcacom2.php
Seth Finkelstein / James S. Tyre DMCA joint reply to censorware questions http://sethf.com/anticensorware/legal/dmcacom3.php
And also
James Tyre DMCA testimony
http://sethf.com/anticensorware/hearing_ca.php