First Contact, Wrong Context: How App Onboarding Design Systematically Ignores the Distributed Attention of Real Users
App onboarding sequences routinely demand the kind of sustained, focused attention that mobile users almost never have available. Research on distributed cognition and naturalistic mobile use reveals a persistent and consequential mismatch between how onboarding is designed and the fragmented, context-laden conditions under which it is actually experienced. The cost of this mismatch is measured in abandonment rates, misunderstood features, and users who never form accurate mental models of the t