We must stop smiling our way towards a surveillance state

ZDNet

In the last few years facial recognition has been gradually introduced across a range of different technologies.

Some of these are relatively modest and useful; thanks to facial recognition software you can open you smartphone just by looking at it, and log into your PC without a password. You can even use your face to get cash out of an ATM, and increasingly it’s becoming a standard part of your journey through the airport now.

And facial recognition is still getting smarter. Increasingly it’s not just faces that can be recognised, but emotional states too, if only with limited success right now. Soon it won’t be too hard for a camera to not only recognise who you are, but also to make a pretty good guess at how you are feeling.

But one of the biggest potential applications of facial recognition on the near horizon is, of course, for law and order. It is already being used by private companies to deter persistent shoplifters and pickpockets. In the UK and other countries police have been testing facial recognition in a number of situations, with varying results.

There’s a bigger issue here, as the UK’s Information Commissioner Elizabeth Denham notes: “How far should we, as a society, consent to police forces reducing our privacy in order to keep us safe?”

She warns that when it comes to live facial recognition “never before have we seen technologies with the potential for such widespread invasiveness,” and has called for police, government and tech companies to work together to eliminate bias in the algorithms used; particularly that associated with ethnicity.

She is not the only one to be raising questions about the use of facial recognition by police; similar questions are being asked in the US, and rightly so.

There is always a trade-off between privacy and security. Deciding where to draw the line between the two is key. But we also have to make the decision clearly and explicitly. At the moment there is a great risk that as the use of facial recognition technology by government and business spreads, the decision will be taken away from us.

In the UK we’ve already built up plenty of the infrastructure that you’d need if you were looking to build a total surveillance state.

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