I'm also confused - Adobe has their own ebook DRM? I didn't know this at all. Wh...

pudquick · on Feb 4, 2014

Barnes and Noble Nook readers use it, I believe.

Plus lots of other vendors that don't have their own hardware chain. Powell's books, for example.

Or anyone attempting to self-publish a DRM'd ePub without putting it in Apple's store.

Spooky23 · on Feb 4, 2014

Public libraries that use the Overdrive system use this DRM scheme.

ForHackernews · on Feb 4, 2014

Most public libraries in the US use Adobe's DRM to cover their ebook loans.

dragonwriter · on Feb 4, 2014

Just about everyone using DRM with epub uses Adobe's offering, IIRC.