I use Creative Commons because I believe that it's better to share my creative works with people who can appreciate it than it is to die with a huge stack of unpublished works.
Creative Commons is not permission for you to make money off my work without compensating me. Creative Commons is not the same thing as dedicating your works to the Public Domain. Creative Commons is a way to let other artists know that they are welcome to see, enjoy, be a fan of, redistribute, and build on your work.
Raster and I played some good cop/bad cop on the Internet the other day regarding this subject. Here's a shout-out to the Creative Commons discussion going on here.
A side issue not being discussed here is the general emergence of the feeling that "the Long Tail" is bullshit. My opinion is that if you feel that the Long Tail is bullshit, I say you and I are probably talking about a different Long Tail.
Also, if you want to learn more about Creative Commons, I highly recommend this film.
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