Those who often rides the subway, know that in fact it is boring and mundane process. But soon the train for the metro can be equipped with a virtual screen that will display a sky, creating a sense of presence. The concept of "virtual roof" uses a flexible electrophoretic e-paper. A paper is attached to the top of the cars, and will display the weather, sky and various buildings. Also well can be seen advertising the various events and specific information about each station. The system is controlled via a PC, which is installed in each car, and with the help of Wi-Fi information is always updated. Anyone can pay to have their ads show up in cars.
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