Repeat offenders

Amazon's Kindle and Prime video platforms ensnare users with DRM.

Apple uses DRM to control iOS and OS X users.

DRM is built into the heart of Windows, and many Microsoft services, like Silverlight, push DRM on users.

Not satisfied with using DRM for their streaming service, Netflix is now trying to weave DRM into the Web.

Sony has used legal actions to harass and intimidate individuals who have modified their own PS3 systems.