http://tags.library.upenn.edu/tag/creative_commons+extensions PennTags Feed http://tags.library.upenn.edu/makerecord/url/9419 http://tags.library.upenn.edu/makerecord/url/9419 mozCC is an extension for Mozilla-based browsers, including Mozilla Firefox, Flock, Mozilla and Netscape, which provides a convenient way to examine Creative Commons licenses embedded in web pages. It’s at least twice as good as View Source.