Quote:
Originally Posted by eschwartz
While it may be true that ADEPT is widespread, that does not make it any more open. And as I have already noted, the good apps that everyone uses do not support ADEPT.
EPUB is just as open as MOBI/AZW3, unless your name happens to be Richard Stallman. Device support has nothing to do with openness.
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Sorry, but you are way off base here. Take an ePub with Adept DRM and any Reader that natively supports ePub has the ability to display it on screen. That means Readers from multiple vendors. There's also the ability to shop at multiple vendors for your ePub.
Amazon is closed in that they are the only ones who sell Readers that can display Kindle eBooks that have DRM. There there is only one shop where you can buy DRMed Kindle eBooks.
So yes, Amazon is a closed and walled garden when it comes to eBooks with DRM.