To understand means to simplify. (RussianПонять - значит упростить) [From Strugatsky's SFnovelВолны гасят ветер (Waves blow out the wind, translated to English as The Time Wanderers)]
... Professor Edward Felten's freedom-to-tinker Web site for information and pointers.
An early example of a DRM system is the Content Scrambling System (CSS) employed by ...