— DRM free protection, i.e. technologies which does not rely on content encryption but rather use content fingerprinting or watermarking, adequate for use cases where user convenience is the top priority;
— user key-based DRM protection, adequate where user constraints are limited;
— device key-based DRM protection, adequate where the transfer of publications from one device to another is severely constrained.
All current amendments available at time of purchase are included with the purchase of this document.