So here's the deal: we started out with First Sale, Fair Use, and patron confidentiality. First Sale came with ownership: you pay for it, you get a copy of the work, and you can use it, lend it, and sell it. For libraries, that meant that we could move a book around our branches (even without publisher permission), loan it out via interlibrary loan, share it consortially, or keep it forever. Alternatively, we could sell it at discount, or even give it away to kids, churches, schools, veterans, and so on. Because we were talking about a physical item, only one person could use it at a time. Fair Use meant that we could quote it in reviews, use parts of it in other works (academic papers), and so on. We couldn't claim that we wrote it, or make whole copies. Patron confidentiality meant that what you read was your own business. The library was only interested in what you currently had checked out, so we could remind you to bring it back, or charge you to replace it. Upon the...