John Doerr met with the founders of a startup to whom he gave $12.5 million in 1999. This was the biggest investment of his career. Larry Page and Sergey Brin had amazing technology, entrepreneurial energy, and great ambitionsbut they had no real business plan. To change the world or even simply survive, Google had to make strong choices on priorities while keeping their team on track. They needed to know when to pull the plug or even fail fast. They needed timely, relevant data to monitor their progressto measure what mattered.Doerr shares a broad range of in-depth look into various companies including the Gates Foundation and Bono to show the focus, agility, and explosive growth that OKRs have created in the leading organizations. This book will create a new generation of leaders that capture the same magic.