In Ye Olde Dayes, these sorts of promotional considerations were paid for by the manufacturer. When Amazon was still mainly selling books, 'coop' funds paid for

In Ye Olde Dayes, these sorts of promotional considerations were paid for by the manufacturer. When Amazon was still mainly selling books, 'coop' funds paid for favorable placement on the intro pages for genre sections (the same way bookstores arrange endcaps and window displays). But it sounds like this has been replaced with a system that doesn't require any sort of human input.