Page history

BeforeFirst major studies document YouTube's algorithm directing users toward increasingly extreme content. Research reveals recommendation systems prioritizing engagement over healthy discourse, establishing algorithmic radicalization as key concern in digital politics.

AfterZeynep Tufekci's March 2018 New York Times op-ed and Rebecca Lewis's Data & Society report put YouTube's political content on the public agenda; a research literature followed. That literature does not agree. Ribeiro and colleagues (2020) document commenter migration toward more extreme channels but do not isolate the recommendation algorithm as the cause. Munger and Phillips (2022) attribute the growth to audience demand rather than algorithmic supply, and Hosseinmardi et al. (2021) and Chen et al. (2023) find exposure concentrated among users who already sought such content and who arrive …