In May 2019, San Francisco became the first US city to ban the use of facial recognition, but this is an isolated example of resistance to this controversial technology.
In the UK, it's been used on numerous occasions, while London's Metropolitan Police has confirmed that it will start using the technology as part of its regular policing.
But how does it facial recognition work and is it accurate and safe? In this video, WIRED's security editor Matt Burgess breaks down the ins and outs of the technology and the issues surrounding its use.
Video credited to Wired.co.uk
