A new investigation reveals how a major U.S. social media platform has allowed foreign operatives to exploit its algorithms to spread divisive content, undermining public discourse. Researchers found evidence of coordinated inauthentic behavior, including the use of fake accounts and automated networks to amplify political narratives. The platform’s internal tools, designed to boost engagement, appear to have inadvertently fueled the reach of misleading or extremist material. Experts warn that these tactics could erode trust in online information and deepen societal polarization.