With the rise of various communication modes, sharing has become more and more popular. As a result, more piracy issues have appeared, making digital rights management necessary to protect the rights of various communities involved in the multimedia ecosystem. This book covers all aspects of digital rights management, including techniques, standards, products, and applications. Leading experts address the related subject areas and provide sound treatment of state-of-the-art techniques, including cross-domain and interoperation, standards, and products.