Facebook's Recommendation Engine

Facebook is one of the older certainly in this list social networks it has around three billion active daily users. The recommendation engine on facebook now is pushing a lot of like a random post go and scroll your feed on mobile and you will see how much stuff that you don't like is being pushed in your face so they're trying to kind of like tick-tock the feed  and uh ai recommend stuff which is why niche i owners are investing into it.