There was actually a discussion on HN a couple of months back [0] about what "Amazon's Choice" actually means. The consensus then was that it's not simply based

There was actually a discussion on HN a couple of months back [0] about what "Amazon's Choice" actually means. The consensus then was that it's not simply based on sales. [0] https://news.ycombinator.com/item?id=20098157 https://news.ycombinator.com/item?id=20098157