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dalesun
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Yes! Half-stars would be much better and allow more accurate ratings. They should use BOTH! NetFlix used to give users a choice between the default 5-star and an alternate 10-point rating system. You could make the change in your account settings. The two systems are perfectly compatible, and I can't imagine why they stopped offering this choice. I can see why they want to make the default as simple as possible. It's possible that this change, and/or changes in the definition of each 1-5 star rating, contributed to the "ratings inflation" that NetFlix experienced in 2004. This is discussed by people participating in the NetFlix Prize at http://www.netflixprize.com/community/viewtopic.php?id=438 . The NetFlix Prize is a competition to improve the NetFlix recommendation system by studying data on several million ratings.