Quote:
Originally Posted by imanub
Thank you! This thing started with version 5.16.2, unfortunately. Amazon should be warned about this and correct the problem, because, at least for me, it's really annoying.
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Some of this is due to the way publishers set the starting page, which can skip over front matter, and thus reflect a more advanced absolute location in the book, particularly for shorter books.
But in other cases, the percentage shown on Library/Home is different than what's shown when reading the book. These used to match and now they do not always match. I have theory about how the math is getting bungled but haven't sat down and worked out the details.
In theory, percentage is just absolute position in the book, just like a physical bookmark in a physical book might be expressed in terms of percentage of pages.
As such it is an imperfect proxy for reading progress, since
readable content is some subset of the total content. But 'readable content' is not well defined either (are end notes, indexes, preview of next book in series in or out?). So there is no perfect metric for reading progress.
Publishers do set start and end of readable content but it is not done consistently enough to be useful. And personal documents do not have this.
At least percentage can be applied consistently to all content.
I think Amazon could probably machine learn what the readable content is (based on reading statistics or just analyzing content) and then use that for Store content.