Hasn't changed. Amazon has demonstrated some intent to do this in the future though, by deprecating MOBI and enabling the EPUB-over-email thing. The Pearson pos

Hasn't changed. Amazon has demonstrated some intent to do this in the future though, by deprecating MOBI and enabling the EPUB-over-email thing. The Pearson post mentions: > Amazon has announced the retirement of its proprietary MOBI file format for eBooks, and a transition to the EPUB format for use on Kindle devices and apps. which makes me wonder if they know more than we do?