Encrypted Media Extensions. Anyone that knows what they are knows that they are synonymous with one thing: DRM And those that know that also know the controversy that ensues. The problem is this: DRM restricts users from viewing a video or listening to an audio track unless they are given permission by the media content’s owner (such as by signing into an account and paying to view it). That seems very reasonable from a business sense, but does that kind of practice belong on an Open Web Pl...