The document summarizes a presentation given by the Mayor of Santander, Spain on boosting digital transformation of cities. It discusses Santander's smart city initiatives including an urban laboratory to test IoT technologies, adopting open standards to facilitate interoperability between city services, and developing a holistic smart city platform using common data models. It concludes that common standards ensure compatibility between solutions, cities generate large data volumes providing opportunities for new business models, and data monetization should be promoted to maximize the digital economy's potential.