These people aren't real but could help tackle bias in tech

Facial recognition software can be used to unlock phones, check passports and catch criminals.

But it doesn’t work equally well for people of all ethnic backgrounds, and when it goes wrong there can be serious consequences.

It’s hoped that a new type of AI that generates fake faces to train algorithms can help solve the problem.

A film for People Fixing the World by Craig Langran, Ben Lister and Talia Franco.