Earlier this month, the police use of facial recognition was ruled unlawful in South Wales.
How much do you know about the technology? And what does the judgment truly mean?
Biometric surveillance is one of the most desirable technologies embraced by many countries, but what should we learn from those living in a mass surveillance state?
By 2021, even wearing a mask can no longer protect you from being detected. How are four artists using their talents to fight back?