Gwen Shapira, a Principal Engineer at Confluent and a Kafka expert, and Ian Thomas, Senior Principal Engineer at Flutter International, share their insights on the evolution and complexities of event-driven architectures (EDA). They discuss the transition from monolithic systems to EDA, emphasizing the importance of trust and domain models. The conversation highlights Kafka topic design, the significance of observability, and best practices for managing upgrades. Their experiences in the betting and gaming industry reveal the unique challenges and advantages of implementing EDA at scale.