Creative Commons encourages a new way for creaters to copyright their work but also share more freely. When using Creative Commons, a copyright holder can make modifications to the traditional copyright assumed as part of the Copyright Act. "With a Creative Commons license, you keep your copyright but allow people to copy and distribute your work provided they give you credit — and only on the conditions you specify..."1 Once registered with Creative Commons, the copyright holder displays symbols showing these modifications.
1. Creative Commons, "License Your Work," Creative Commons, http://creativecommons.org/choose/, January 9, 2010.
"This song is Copyrighted in U.S., under Seal of Copyright # 154085, for a period of 28 years, and anybody caught singin it without our permission, will be mighty good friends of ourn, cause we don't give a dern. Publish it. Write it. Sing it. Swing to it. Yodel it. We wrote it, that's all we wanted to do."
From the Columbia University Copyright Advisory Office:
The Library of Congress
Not everything on Flickr can be copied freely. In their copyright policy, Flickr notes that, " If you are seeking permission to use a photo/image found on Flickr, please note that you must contact the user who posted it directly and you must be a member of Flickr to do so."