Despite extensive scholarly, legislative, and judicial attention to privacy, our understanding of privacy and the interests it protects remains inadequate. At the crux of this problem is privacy’s protean nature: it means “so many different things to so many different people” that attempts to articulate just what it is, or why it is important, generally have failed or become unwieldy. As a result, important privacy problems remain unaddressed, often to society’s detriment. In his newest book, Understanding Privacy, Daniel J. Solove aims to reverse this state of affairs with a pluralistic conception of privacy that recognizes the societal value of privacy protections. His pragmatic approach, which includes a taxonomy of privacy problems, suc...