The essence of community is sharing. Copyright is about protection, not sharing. For those of us who make video and audio for the Lowell community and especially those who put work up online Creative Commons is a way for YOU to share your work and enjoy the work of others without sweating the copyright issue.
A Creative Commons license says "I own this work, but others can enjoy it, and maybe even use it in their own work." You can learn more at the Creative Commons website.