4 ms·ePub is not the problem. It is the Adobe DRM that is comes baked into most ePub documents that are sold.by steve19 16y agoePub is not the problem. It is the Adobe DRM that is comes baked into most ePub documents that are sold.Groxx 16y agoWhich (I'm very sad to see, but maybe it'll change in time) Google has adopted :\epochwolf 16y agoI'm not so much. My sony reader is compatible with Adobe DRM. :)