Quote:
Originally Posted by stumped
how old is KFX now ? or to rephrase, how many years back do we have to look to find non kfx-capable readers ( as this sub-discussion comes from whether amazon could afford to enforce kfx and drop older formats )
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The oldest device that supports KFX is the PaperWhite 2 (sixth generation), released in September 2013.
I doubt that Amazon is going to drop support for older formats. They have done a good job of supporting even the oldest Kindle devices so far.
To me the most likely thing they would do, if they change anything, is allow publishers the option of making their newly published books available in KFX format only. That puts the responsibility on the publisher to make the tradeoff between having more secure DRM and supporting the dwindling set of customers using older devices. As an example, expensive textbooks published recently by Pearson are KFX-only, and available only on apps and devices that have secure DRM.