This document summarizes key lessons from a presentation by Gene Kim on building a world-class engineering culture. Some of the main surprises discussed include: (1) the business value of DevOps is even higher than previously thought, (2) DevOps benefits operations and security as much as development, (3) measuring code deployment lead time is more important than deployments per day, and (4) Conway's Law has implications for organizational structure and architecture. The presentation also discusses how DevOps enables organizations to become dynamic learning organizations.