The document provides an overview of the downloadable media industry for libraries. It discusses the founding of major distributors like OverDrive and netLibrary. It outlines the evolution of e-book and e-audiobook formats over time. The document also examines current e-reader devices like Kindle, Nook, and iPad as well as download services like Freegal and Freading. Emerging technologies like color e-paper and e-ink are also mentioned.