How do X interest clusters and communities affect visibility, and how does this differ from Twitter’s former interest-graph ranking?
How do X interest clusters and communities affect visibility, and how does this differ from Twitter’s former interest-graph ranking? On X, your posts do not compete on one global stage. They travel through hidden interest clusters—tight communities built from behavior, topics, and relationships. These clusters quietly decide how far your content really goes. To understand why some posts explode while others die instantly, we need to unpack how X’s cluster system works today and how it evolved from Twitter’s older interest-graph ranking model. 1. From a global feed to a cluster-first ecosystem Early Twitter behaved like a noisy public square. The feed was largely chronological, then later boosted by a simple “interest graph”—a map of who you followed and which topics you seemed to care about. If many people in your network liked something, it rose. If not, it sank. X, however, no longer thinks...