Note that W3C did not standardize DRM in a usable, interoperable form that you'd expect from a standard. They merely accepted a JS API for launching non-standa

Note that W3C did not standardize DRM in a usable, interoperable form that you'd expect from a standard. They merely accepted a JS API for launching non-standard proprietary DRM Content Decryption Modules. API of these modules is deliberately undefined and left to be browser-specific. It's just as standard and interoperable as using W3C's <object> to launch Flash.