The doctrine of fair use was originally intended to facilitate those socially optimal uses of copyrighted material that would otherwise constitute infringement. Yet the application of the law has become so unpredictable that would-be fair-users can rarely rely on the doctrine with any significant level of confidence. Moreover, the doctrine provides no defense for those seeking to make fair uses of material protected by anti-circumvention measures. As a result, artists working in media both new and old are unable to derive from copyrighted works the full value to which the public is entitled. In this Essay, we propose a solution to the uncertainty and unpredictability that plague the doctrine: nonexclusive safe harbors that define minimum le...