Many cities have opened their data to provide more insight into city operations, but the next step is to make the leap to true data economies. I talked to Geoff Snelson, Director of Strategy & Futures, Milton Keynes Council; Jarkko Oksala, CIO, City of Tampere; and Carl Piva, Head of the Smart City Forum at TM Forum about what that means and how we’re going to get there.