Rights can be extremely complicated in the digital age. You may want to hold on to yours, or license some or all, or share some or all through Creative Commons. You may want to activate around how rights are managed- so you can use other people’s work and share yours effectively.
Organizations that advocate about intellectual property:
Electronic Frontier Foundation
Technology Liberation Front
Blogs and resources for copyright and IP issues:
Copy Rights & Campaigns
I also co-host the NYC chapter of CopyNight NYC which is a social forum for discussing these issues.