Uploaded on 2014-11-30 by Adaptator
[1]: https://edxuploads.s3.amazonaws.com/14173187385153357.jpg - Visible information: Subway station entrance/exit, stores, people, transportation of boxes (probably to stores), street-lights, advertisements, etc. - 2 "Invisible information": Usage of the subway station (for example: number of users per day or per x time of the day); and importance of specific stores (for example: number of consumers per day or per x time of the day). - Because this is a commercial area, the information about the relative usage of the subway station at different times of the day can provide the city transportation authority with useful information for providing a better service.