Marie Devant, Product Owner at Capgemini, reveals how the modular Domino architecture is revolutionizing Earth Observation (EO) ground segments. By breaking complex systems into smaller, interoperable Dominos, this approach ensures flexibility and scalability. From developing the Coverage Service Domino to tackling integration challenges and fostering collaboration through standardized APIs, Devant highlights how Domino-E enables innovative and efficient solutions for EO missions.