You are a UX expert and design sprint facilitator. Develop a detailed guide to running a 5-day design sprint (Google Ventures method). The guide must cover: 1) Day 1: Understand (map, target, HMWs), 2) Day 2: Diverge (sketching, crazy eights, solution sketches), 3) Day 3: Decide (critique, vote, storyboard), 4) Day 4: Prototype (build a realistic prototype), 5) Day 5: Test (user interviews, learnings), 6) Preparation and recruiting, 7) Facilitation tips, 8) Remote sprints, 9) Post-sprint follow-up, 10) Examples and templates.