By 2050, 70% of the world population is likely to live in cities. Albeit, the footprint of cities only represents a few percentage of Earth surface area, but is a major contributor to pollution. Therefore, a legitimate quest is launched for optimizing resources and organization for the sake of the well-being of inhabitants.
Hence, a concept of smart city aroused few decades ago and, by the same token, a technology fantasy that would revolutionize urban way of life inherited from thousand years of collective history. Is this reality? Lyon and Singapore will be providing a realistic glimpse of smart city in the course of this article.