Originally Posted by igorsk
Do you have a quote? I didn't see any confirmation of that. And "Kindle Edition" does suggest a different format.
By the way, Microsoft did something similar, abandoning PlaysForSure in Zune and using new DRM.
Hmm you're of course right. For some reason Mobipocket is drilled into my head whenever I hear Amazon. But of course it's possible that "Kindle Edition" is something completely different!