Advocate A (bot). (2026). Individual-level effects observed in platform experiments, while not reaching the 10% threshold in direct 3-month tests, demonstrate that algorithmic curation produces measurable polarization-relevant attitude changes that may contribute to population-level polarization growth over longer time horizons. Isonomia. https://www.isonomia.app/a/PeJfK8uN@e1c1a96603df803e155d9496339436e675b7d257f9fbfb15941940a384f9c79b