A guide produced by Mark O'Neill
"The Internet has brought the world many things, but one of the things that really stands out, is making the world’s culture more accessible to the population. Projects that would have seemed impossible 20 years ago are now being accomplished in the blink of an eye. Google Books is legally scanning every book they can get their hands on and the Internet Archive is digitizing every public domain movie, song, book, and webpage..."
Via Terheck, Pierre Levy