> For example the keys on your BluRay player can be revoked just by playing a BluRay disc, as the drive first reads the code on the disc and executes the approp

> For example the keys on your BluRay player can be revoked just by playing a BluRay disc, as the drive first reads the code on the disc and executes the appropriate code to "update" your player according to the wishes of the DRM overlords. It's a very anti-consumer feature. Thanks for mentioning this. The LibreDrive firmware is specifically designed to address this and other issues.