Given that you'll never be able to prevent copying, the question is, what can you do to minimize it? What can you do to make consumers happy enough with legitimate use of the system that they'll be willing to pay for it?
Edward FeltenInnovation happens because there are people out there doing and trying a lot of different things.
Edward FeltenIn making policy designed with copyright in mind, you end up making decisions about whether other important technologies, such as privacy-enhancing or file-search technologies, should be encouraged or discouraged. A collision is happening between creativity and protecting IP.
Edward FeltenVigorous enforcement of copyrights themselves is an important part of the picture. But I don't think that expanding the legal definition of copyright outside of actual copyright infringement is the right move.
Edward Felten