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Facial recognition has been heralded a key innovation in surveillance and security, but the technology may be coming to an airport near you in a bid to cut queues and speed up passenger travel. Its detractors warn that facial recognition systems could wind up going full Skynet, resulting in some kind of robo-apocalypse even Arnie can't save us from. But it's supporters say that it could transform travel by allaying security concerns while making for a much smoother passenger experience. Here are some of the airports having a run at the futuristic tech in a bid to banish passenger backlogs: Trendsetting Singapore Singapore was among the first in the world to pioneer such technology to shuttle passengers through its airports more swiftly. Changi Airport launched its facial recognition support systems in late 2017, using biometric technology to free up passenger queues from check-in, through to immigrant checks and boarding.