I just noticed that Yahoo has tweaked their advanced search page. You'll now see an new option that allows you to limit your query to material with a Creative Commons license. A Creative Commons "only" search interface is also available. Yahoo and Creative Commons announced a partnership in March. More in this post.
The Original Search Marketing Event is Back!
SES Denver (Oct 16) offers an intense day of learning all the critical aspects of search engine optimization (SEO) and paid search advertising (PPC). The mission of SES remains the same as it did from the start - to help you master being found on search engines. Early Bird rates available through Sept 12. Register today!