Surveillance cameras are everywhere. Now you can turn them into a personal photo booth

I am standing on the corner of a busy intersection in Brooklyn, and I am taking a selfie. Except instead of using my iPhone’s front camera, I am using a traffic camera. Let me explain. New York City’s Department of Transportation maintains a network of about 900 traffic cameras dotted across the city. The DOT uses these cameras to monitor traffic flow. But one artist has now turned them all into digital photobooths. All you have to do is visit a website called Traffic Cam Photobooth,...