LinkNYC has declared a milestone this week, announcing that its WiFi kiosks have reached a million registered WiFi users and 4m sessions across 547 kiosks in the city of New York, one year after deployment. This is only the tip of the iceberg for the smart city venture, with plans to grow this to a total of 7,500 kiosks. These kiosks provide a number of mod cons for the general public; free WiFi, charging stations, maps and a large, red emergency services button. But when companies like LinkNYC have such prominent commercial interests, their impact and influence over citizens and their cities needs to be a major consideration – or councils risk handing over the keys to their smart city…