This document discusses Apple Inc. and digital rights management (DRM). It provides background on Apple's founding and some of its most popular products. It then defines DRM as a technology that controls how digital media files can be used and shared by encoding terms directly into the file. The document notes that DRM is controversial as it can limit rights, but owners argue it ensures payment for copyrighted works. It also describes Apple's past use of DRM on iTunes music to restrict the number of devices songs could be played on.