https://www.newscientist.com/article/2171665-how-authors-are-gaming-amazons-algorithms-with-3000-page-books/

It works like this. Amazon’s Kindle Unlimited service, which gives people unrestricted access to a selection of books for a monthly fee, pays authors based on the number of pages read, up to a maximum of 3000. To reach that maximum, some authors …

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