The document discusses how Transport for London (TfL) has evolved its public service information system by incorporating open data and collaborating with over 5000 external developers to enhance user experience. It details the transition from a closed logic of production to a co-production model, emphasizing the necessity for organizational changes and new strategies to implement personalized public services. Additionally, it highlights the positive impact of open data on passenger satisfaction and economic opportunities, suggesting a direction for Italy's digital strategy for public administration.