Explore a functional approach to Domain Driven UI design in this 56-minute conference talk from NDC Oslo 2020. Discover how to leverage F# and the SAFE-Stack to combine CQRS/Event-Sourcing on the backend with the Elm architecture on the frontend, creating a seamless messaging architecture. Learn to reuse carefully crafted domain types and behaviors, bridging the gap between backend business logic and frontend implementation. Delve into topics such as Event Sourcing, CQRS, Conference Planner, Read Models, Behavior Models, Domain-Driven Style Testing, and Task-based UI. Gain insights on overcoming impedance mismatches and creating user interfaces that truly reflect the semantic domain model, ultimately benefiting end-users with a more intuitive and aligned experience.