Netflix Adopts Thumb-Based Ratings System It Says Will Improve Data Accuracy
Netflix dumped its five-star ratings system in favor of a Pandora-like thumbs-up and thumbs-down system, said a Wednesday blog post. “Using thumbs helps us learn even more about your unique tastes so we can do a better job suggesting stories,”…
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said Director-Product Innovation Cameron Johnson. When Netflix tested replacing stars with thumbs ratings, it had a 200 percent increase in ratings accuracy, Johnson said. Star ratings next to titles are being replaced with a personalized percentage match score to indicate Netflix’s prediction of titles a viewer might enjoy, Johnson said. The value is based “solely on our algorithms analyzing your individual viewing habits and behavior -- it is not a measure of overall popularity across the service,” he said.