In this AWS re:Invent 2023 session, Eric Johnson, a principal developer advocate for serverless, explores the power of event-driven architecture (EDA) in building scalable, distributed applications. Johnson delves into key concepts such as coupling, integration patterns, and the nature of events. He demonstrates how EDA can improve application resilience and manageability by decoupling integrations. The presentation covers various AWS services like EventBridge, SQS, and Step Functions, showing how they facilitate event-driven designs. Johnson also addresses the critical issue of idempotency in distributed systems, offering strategies to handle duplicate events and ensure system reliability. Throughout the talk, he uses real-world examples, including the ServerlessVideo system, to illustrate EDA principles in action. This comprehensive overview provides developers and architects with valuable insights into implementing robust, event-driven solutions using AWS technologies.