First they came for the numberplates

A surveillance camera on the Cambridge-London train

I don’t like being watched, especially when I don’t know who the watchers are, and the rapid growth in cameras in streets, shops, trains, buses, public spaces and private buildings has troubled me for many years.

Until recently the watchers were, at least, human – delightfully limited in their perceptual capacity and ability to identify or discriminate, tired and distracted and even bored with their job as they sat behind banks of monitors.

And of course most of the material was never even watched, instead being held on a hard drive on a neglected server in a dank office awaiting some incident that would require it to be reviewed, but more likely to be overwritten to make disk space for today’s similarly neglected footage.

This is no longer the case. More and more of the cameras that capture us as we go about our lives – like the one in this rail carriage watching me as I write – are not intended for human viewing at all, but are input sensors for an increasingly sophisticated surveillance machine. It used to be misleading to say that a camera was ‘watching’ you as it was just an image capture device – at some point a human being needed to do the actual watching.

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