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Recommender systems and the amplification of extremist content

Joe Whittaker, Swansea University
Seán Looney, Swansea University
Alastair Reed, Swansea University
Fabio Votta, University of Amsterdam
PUBLISHED ON: 30 Jun 2021 DOI: 10.14763/2021.2.1565

Recommendation algorithms potentially amplifying extremist content has become a policy concern in recent years. We conduct a novel empirical experiment on three platforms (YouTube, Reddit, and Gab) to test this phenomenon. We find that YouTube’s “Recommended for you” system does promote extreme content. We synthesise the findings into the policy

This paper analyses the aftermath of the advertiser revolt on YouTube to draw out the broader implications of the controversy as it relates to the algorithmic gatekeeping of culture. It argues that the event shows as never before that decisions about categorisation and classification of cultural content invariably affect the financial trajectory