On social media platforms like TikTok, YouTube and Instagram, the algorithm determines which posts you see and in what order. It also decides which posts you don’t see.

TEHRAN - From the moment you wake up and check your phone to the late-night scroll before bed, algorithms are working behind the scenes, shaping what you see, buy, and even think. These invisible ...

YouTube's algorithm recommends right-wing, extremist videos to users — even if they haven't interacted with that content before — a recent study found.