Moscow subway users have started buying tickets using facial recognition technology. Authorities claim queues at ticket counters will be greatly shortened with the system dubbed "Face Pay". This move, however, is already sparking controversy since facial recognition has been used in the past for repressive purposes. In this edition, we explore these technologies that are being deployed in smart cities around the world and whether this means the end of anonymity in public places.

Russia's leading food retailer group is launching a facial recognition payment system in more than fifty Moscow supermarkets, with plans to extend the technology to its entire network.

In this edition, as a faulty facial recognition match leads to the arrest of an innocent man in the US state of Michigan, we take a look at the underlying racial and gender bias of the technology. We dig deeper into the subject with MIT's Joy Buolamwini, founder of the Algorithmic Justice League, who is helping correct the code.

Rights groups and researchers have long criticized Amazon's facial recognition software, saying it incorrectly identifies people with darker skin. The decision also came amid widespread anti-police brutality protests.

Facial recognition is one of the fastest-evolving technologies in the field of artificial intelligence. It has major implications in terms of security and counter-terrorism, but also e-commerce and industry.