Design first-time experiences that activate users. Covers progressive disclosure, activation milestones, persona-based onboarding, empty states, checklists, tooltips, and measuring onboarding success. Use when designing first-time user experiences, improving activation rates, or reducing early churn. Triggers on: "onboarding", "first time user experience", "FTUE", "user activation", "progressive disclosure", "empty state", "product tour", "user checklist".
