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Team Topologies, by Skelton and Pais, presents a framework for structuring technology teams to improve software delivery. The book outlines four key team types (stream-aligned, enabling, complicated-subsystem, and platform) and three interaction modes (collaboration, X-as-a-service, and facilitation) to optimise workflow and minimise cognitive load. The authors advocate for clear team boundaries, ownership, and the "Inverse Conway Maneuver," using desired system architecture to inform team structure. Real-world examples from companies like Spotify, ING, and Netflix illustrate successful implementation of these principles to improve efficiency and innovation. Ultimately, the book promotes a more adaptable and efficient approach to team organisation within software development.