There is something for everyone to dislike about early twenty-first century copyright. Owners of content say that new and better technologies of infringement have made it too easy to copy expressive works. Easy copying, they say, threatens the basic incentive to create new works; hence, new rights and remedies are needed to “restore the balance.” Most academic critics complain, instead, that a newly enlarged copyright and new mechanisms of technological self-help give content owners unprecedented levels of control over content. This, in one version of the argument, threatens the creativity and progress that copyright is supposed to foster; in another, it represents an “enclosure movement” that threatens basic freedoms of expression. Copyrig...