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A comment on Ask HN: How can Netflix and Amazon Prime be this bad at recommending content?. Parent comment

Re:Ask HN: How can Netflix and Amazon Prime be this bad at r... by Raed667 on Saturday February 11, 2023 @01:28PM (#34754853)
They wrote a blog post (that I can't seem to find) a few years ago about how they A/B test their thumbnails.
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