How AI bots spread misinformation online and undermine democratic politics

By Sophia Melanson Ricciardone, Postdoctoral Fellow, Department of Psychology, Neuroscience & Behaviour, McMaster University

Consider a typical morning routine: coffee in hand, you peruse Twitter (now rebranded as X) to catch up on the news. Headlines appear among a flurry of tweets on everything from memes about political leaders to cultural Marxism, free speech, making America great again and draining the swamp.

Before your day has even begun, a burst of disparate ideas coalesces in your mind in response to the appearance of a single word or catchphrase. It’s a scenario repeated daily, where snippets of information mould…

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