Traditional roles of libraries, publishers, service providers, and even patrons are continually changing. Libraries increasingly take on functions previously managed by publishers—in some cases, by actually becoming traditional publishers, through the absorption of university press operations and the creation of IR-based journals, and in some cases by making direct investments in dissemination, by underwriting Open Access APCs. Librarians are expanding into learning, instructional design, software development, and more, providing services around the world to a much wider range of patrons. Meanwhile, patron-driven initiatives are continue to alter the way libraries acquire content, giving rise to questions about how collections are built and...