While these attention constraints operate at the individual level, they are further shaped by the structural characteristics of online information environments. Beyond individual preferences, the structural configuration of online networks also shapes how political information becomes salient. Shore (0000) shows that dense-ly interconnected networks facilitate repeated encounters with similar viewpoints, which can increase perceived validity even in the absence of intentional infor-mation selection. From a theoretical perspective, this suggests that network topol-ogy may systematically amplify belief-consistent information by shaping patterns of exposure, independently of individuals’ deliberate cognitive choices