To Jeff Merritt, the IoT is the solution to the densification problems of cities, being congestion and mobility one of the main issues. However, a data-driven city also implies going one step forward in terms of security, individual privacy and equity. In this interview, it is visible how the use of technology can transform and make cities livable and efficient. Highlighting the case of New York City, Merritt states that a 20% reduction in commuting time has been possible thanks to the implementation of smart buses with GPS locators and being enable to remotely control traffic lights. Consequently, it is a way to foster public transportation and benefit the overall population.