
Agents of Scale · 2026-06-01 · 57 min
Fifteen years after The Lean Startup , Eric Ries is watching a new generation of founders rediscover and stress-test the core ideas behind build-measure-learn. AI has made the build step radically faster. Code that used to take weeks can now appear in minutes. But Eric's warning is sharp: when building gets cheaper, measurement and learning become the new bottlenecks. Teams that use AI to close the learning loop are flying.