By BBC News, 7 Feb 2018.
Police in China have begun using sunglasses equipped with facial recognition technology to identify suspected criminals.
The glasses are connected to an internal database of suspects, meaning officers can quickly scan crowds while looking for fugitives.
But there are fears that China’s authoritarian leaders will use the sunglasses to track political dissidents or profile ethnic minorities.
China is a world leader in facial recognition technology and regularly reminds its citizens that such equipment will make it almost impossible to evade the authorities.
An estimated 170 million CCTV cameras are already in place and some 400 million new ones are expected be installed in the next three years.
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