The Public Domain
His book The Public Domain: Enclosing the Commons of the Mind is a must read. He posts the book online, for free PDF download, purchase, and for reading in HTML. Chapter 8 is entitled “A Creative Commons”:
If you go to the familiar Google search page and click the intimidating link marked “advanced search,” you come to a page that gives you more fine-grained control over the framing of your query. Nestled among the choices that allow you to pick your desired language, or exclude raunchy content, is an option that says “usage rights.” Click “free to use or share” and then search for “physics textbook” and you can download a 1,200-page physics textbook, copy it, or even print it out and hand it to your students. Search for “Down and Out in the Magic Kingdom” and you will find Cory Doctorow’s fabulous science fiction novel, online, in full, for free.