What’s not to love about whizzkids streamlining your responsibilities for running services, optimising efficiency and keeping citizens safe into a bunch of fun apps? There’s no concrete definition of a smart city, but high-tech versions promise to use cameras and sensors to monitor everyone and everything, from bins to bridges, and use the resulting data to help the city run smoothly. One high-profile proposal by Google’s sister company... to give 12 acres of Toronto a smart makeover is facing a massive backlash. In September, an independent report called the plans “frustratingly abstract”; in turn US tech investor Roger McNamee warned...