Inside Netflix's Recommender System

Imagine opening Netflix after a long day, your brain fried, your time limited,

and within seconds the perfect show pops up on your screen, almost like the

app has crawled into your mind and whispered, “You’re going to love this.” You

scroll a little, and somehow every row feels oddly tailored to you: that crime drama

you didn’t know existed, the quirky animated series that matches your weird sense

of humor, the foreign film in exactly the language you’ve been trying to learn.

Now here’s the wild part: behind that feeling of “Netflix just gets me” is not one single magical

algorithm, but an entire army of algorithms working together, competing,