“Increasingly, academic journals are published online; many are not even available in print. As a result, libraries are losing the option of maintaining local collections—but are leery of discontinuing paper subscriptions. That makes them sound like Luddites stuck in a world of paper. After all, they could make digital back-ups. What is more, publishers often grant perpetual access to their journals and provide subscribers with CD-ROM versions. As a last resort, there is always the Library of Congress in America and other national libraries around the world where copies of most publications are kept. In the very long run, however, such solutions are not all that viable…”