Another idea for a webcam. The thing I love about snow is how it allows you to visually track movement that has gone on in a given space. Who has been there? Where did they go? How did they move? I’d like to put a camera on a large open space shortly after a fresh snowfall. It could interpret movement of people through space (tracking dark objects) and output some sort of graphic similar to a map with footprints based on that movement. Or it could be set to capture images of the space only when it was unoccupied. (Could this be achieved by observing overall brightness?) These images could then be assembled into a movie, animating the changes made to the snowscape by the invisible forces that move through the space.

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