I am sure this app is really interesting to watch urban change in real manners. innovative technology is using to find the innovative changes in environment is just focused to show how human lives their lives in past.
Physical urban change—the evolution of cities' public and private infrastructure—has been of interest to policymakers, as well as scholars in economics, sociology, and urban planning for decades. However, it has been difficult to measure urban change in ways that are quantitative, robust, and scalable.
The software also can be use in policy making. it can be easy to find the change of rate in urban areas.