Architecture has, throughout history, encoded manners, customs and law into physical space. Now it extends its influence into the digital.
“Icebergs Systems is beta-testing Safe Haven, a combination of hardware transmitters and a small piece of control software that is loaded into a camera phone handset. When the handset is taken into a room or building containing the Safe Haven hardware, the phone is instructed to deactivate the imaging systems. The systems are reactivated as soon as the handset is out of range.”
» Picturephoning.com: ‘Safe’ zones blocks picture phones
Petafloptimism 
If you’ve got a system going to all that trouble, wouldn’t it be more interesting to use it to override the camera with an ‘approved’ image broadcast by the transmitter. Then, if someone takes a picture of, say, a rat in a McDonald’s kitchen, they end up with a picture of smiling kids being served burgers by Ronald himself. Hm?
Funny statement Jon ! you are right in seeing the things not so bad..