Urban creep: now Big Brother zeroes in on your heart and your ...

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Urban creep: now Big Brother zeroes in on your heart and your gait

In what critics call a privacy epidemic, recognition tech is a huge market, but it’s not just CCTV that’s clocking you

Hannah Boland

How do you spot someone in a crowd? Is it by their clothes, or hair style? Or is it, like Mark Nixon, by “the bits they’re prepared to expose”?

Nixon isn’t being lewd. Rather, he specialises in what he terms “identity science” – and what he’s trying to say is that people are really quite recognisable.

Take just the face, he says. “Did you know you could recognise people from their nose? And that ears show your gender? Actually, I’d say any bit you’re prepared to reveal, you could usually be recognised by,” he enthuses...

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