I tend to agree with people who see privacy as a function of control over personal information. Not a thing, more like a trade off . It’s a big problem though that the trade-offs in any particular situation are multi-dimensional and nothing like as explicit as they should be. And what if you have no possibility of control? The always interesting Wendy Grossman made me think about this in her recent net.wars column about her neighbour’s doorbell camera . As Wendy puts it “we have yet to develop social norms around these choices”. Indeed. Whether it is neighbours putting up doorbell cameras or municipalities installing camera for our comfort and safety, the infrastructure of cameras (much more cost effective and useful than the one imagined by George Orwell) and pervasive always-on networks is going to created a decentralised surveillance environment that is going to throw up no end of interesting ethical and privacy issues. Here’s an example. What happens if you set up a camera trap...