"Sprint offers a transformative formula for testing ideas that works whether you're at a startup or a large organization. Within five days, you'll move from idea to prototype to decision, saving you and your team countless hours and countless dollars. A must read for entrepreneurs of all stripes." --Eric Ries, author of The Lean Startup

From three partners at Google Ventures, a unique five-day process for solving tough problems, proven at more than a hundred companies....