You are going to need it later

The prototype device, produced by a team in the Interactive and Intelligent Computing division of the Georgia Tech College of Computing (COC), uses off-the-shelf equipment – camera-mounted sensors, lighting equipment, a projector and a computer to scan for, find and neutralize digital cameras. The system works by looking for the reflectivity and shape of the image-producing sensors used in digital cameras.

[Newswise]

I predict a lot would install it in their homes and at work