How the Netflix algorithm works

You use the Netflix website to rate films that you have seen on a scale from 1 = hated to 5 = loved.

The Netflix algorithm compares your film ratings against other Netflix customers in order to calculate a predicted rating for every film in their database.

This enables Netflix to suggest

The Netflix "algorithm" works by calculating a predicted rating for every film in their database based on how you and other Netflix customers have rated the films you have already seen.

Having a "predicted rating" makes it much easier for you to find films you would enjoy watching.

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