Digital Rights Management (DRM), at its most basic level, has traditionally been considered as the strategic use of technology to monitor and enforce intellectual property licensing agreements by controlling access to digital content as it is being distributed, protecting it from unauthorized use or downright theft. In the modern world, however, the notion of "broadcasting video" now includes over-the-air terrestrial signal distribution, along with cable, satellite, Internet, and mobile/data network broadcasting of content to, seemingly, an unlimited number of viewing devices. In that universe, the DRM label represents a constantly evolving, often proprietary, network of technologies and protocols used by broadcasters to secure the links of a content chain wherever those links are heading.



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