When electric motors were invented, factories didn't become dramatically more productive overnight. The biggest gains came years later, after people redesigned factories around the new technology. @databricks co-founder and Chief Architect Reynold Xin (@rxin) believes AI is creating a similar shift in software. In this fireside with YC's @sdianahu, Reynold explains how AI agents are reshaping engineering organizations, why startups have an advantage in building AI-native products, and why the…