When Mark Zuckerberg posted a picture of himself on Facebook last June, a sharp-eyed observer spotted a piece of tape covering his laptop’s camera. The irony didn’t go unnoticed. Even those of us who don’t control large corporations have reason to be concerned about the next frontiers in surveillance. For example, today many security cameras are easy to spot. But researchers are developing devices that can hide in plain sight, some by mimicking animals, like robotic bugs. If an insect is too obvious, David Blaauw, an engineer at U-M, is developing “micro motes”—tiny computers mere millimeters wide that can be equipped with cameras and other sensors.
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