Can artificial intelligence and face recognition technology be racist? AI is increasingly being used in all aspects of our lives but there is a problem with it. It often can't see people because of the colour of their skin. Zoe Kleinman speaks to Joy Buolamwini founder of the Algorithmic Justice League, Suresh Venkatasubramanian from the School of Computing at the University of Utah and Calum Chase, an AI expert and author about what is being done to overcome this problem.