Small changes to ‘for you’ feed on X can rapidly increase political polarisation

Study finds that a week of political content can bring about a shift in views that previously would have taken three years

Small changes to the tone of posts fed to users of X can increase feelings of political polarisation as much in a week as would have historically taken at least three years, research has found.

A groundbreaking experiment to gauge the potency of Elon Musk’s social platform to increase political division found that when posts expressing anti-democratic attitudes and partisan animosity were boosted, even barely perceptibly, in the feeds of Democrat and Republican supporters there was a large change in their unfavourable feelings towards the other side.