In today’s world, social media appears more advanced than ever. Everyone can speak. Everyone can post. Everyone seems to “have a voice.” Yet an increasingly obvious—and increasingly brutal—reality is emerging: Ordinary people’s voices are disappearing. Not because they are silent. But because their voices are no longer being heard.I. Algorithms Are Reclaiming the Power of VisibilityAttention is becoming highly centralized. Platform algorithms increasingly favor a small number of large account...