• This type of system is commonly used to select songs, videos, movies, items, or other types of content that’s already similar to what one user is commonly searching for.
  • If you’re an avid user of this website you might be able to understand some of the basics behind how their recommendations algorithm works just by looking at what YouTube tells you to watch next.
  • This is why you’ll often search for something just once or watch one single video on a topic and still get more recommendations for similar videos.
  • Just check out your own playlist recommendations and see how many songs you actually like from there.

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