This document discusses open data and its benefits for fueling innovation in economies and societies. It provides examples of open data initiatives in Amsterdam that have helped launch apps and startups. Open data programs require an ecosystem approach involving open innovation, funding, communities, and intermediaries to connect data, developers and demand. As open data programs evolve from releasing data to supporting business incubation, the future includes linking data, open calls for civic challenges, and a pan-European market for civic apps.