Digital rights management (DRM) is a set of business models and technologies that allows media companies to protect their intellectual property -- and profit in the online world Cowritten by DRM pioneer William Rosenblatt, this lucid primer outlines thestate of DRM today for media executives and IT decision-makers, covering business models озммк (such as subscriptions), core technologies (watermarking, encryption, authentication), standards (such as XrML), vendors, and more.  CompletИздательство: M&T Books ISBN 0764548891.