The Royal Commission on Antisemitism and Social Cohesion has been examining the role of social media. Online platforms have changed the speed, scale and visibility of hatred.They allow extremists to find one another, test slogans, hide behind irony and push prejudice into public circulation at low cost. Platforms can amplify prejudice, reward outrage, make the extreme seem common, make the shameful merely controversial and elevate private bigotry into public performance.Subscribe to gift this articleGift 5 articles to anyone you choose each month when you subscribe.Subscribe nowAlready a subscriber? Fetching latest articles