Several articles. https://www.google.com/search?q=youtube+recommendations+more+radical&oq=youtube+recommendations+more+radical&aqs=chrome..69i57j69i64.9024j0j1

Several articles. https://www.google.com/search?q=youtube+recommendations+more+radical&oq=youtube+recommendations+more+radical&aqs=chrome..69i57j69i64.9024j0j1&sourceid=chrome&ie=UTF-8 https://www.google.com/search?q=youtube+recommendations+more...