So…how can you protect your privacy from the surveillance cameras that seem to be everywhere?

First, you need to understand how the technology works.

There are certain points on the face that are targeted by the software: particularly eyes, nose, and mouth; where they meet, and the distance between them.

The trick is to obscure these points without drawing undue attention to yourself through your efforts to camouflage them.

Black geometric shapes painted on the face seem to “fool” the devices into not recognizing the photo as a human face.

However, it isn’t exactly subtle to walk around with black triangles and squares painted randomly on one’s face.

One researcher from NYU, Adam Harvey, has been working on reverse engineering the technology in order to protect privacy. In the photo below, the faces with the red squares around them were identifiable by the software.