Access vs. Preservation

This might also give you some ideas with regards to the impact of copyright protection on digital materials wit regards to copyright: http://www.straight.com/life/digital-lock-rules-canadian-copyright-bill-go-too-far-critics-say

Thank you for the article. I know Michael Geist also wrote quite a bit on digital locks when it was being debated. I will try to include a bit about them in my Wiki.