Quote:
Originally Posted by Quoth
4) KFX has different rules to AZW/KF7 and seems mainly to exist to reduce Whispernet traffic on Mobile, allow reading before download is complete and always have DRM even if publisher said no DRM.
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KFX also seems to move some of the heavy-lifting of more-complicated CSS to the creation time instead of during the actual reading.
You can see this by opening an ePub in Kindle Previewer, then edit the ePub to add a ::first-line rule that triggers a
lot, like on a body paragraph. The first time, the file will open in less than a minute on pretty much any reasonable hardware. Go get lunch while the second one opens.