An exhibit about public space surveillance named “Hansel and Gretel” intrigued me because I would be part of the exhibit. Occupying the Armory's Drill Hall, facial recognition technology, infrared imaging, and camera-equipped flying drones created a playful experience to made one wonder —who is watching me?

As I entered the immense darkened space, there was some disorientation followed by trial and error experimenting to discover “how to get seen” and how to wander without detection. Part...

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