"On inbuilt bias in algorithms, Sharkey said: "There are so many biases happening now, from job interviews to welfare to determining who should get bail and who should go to jail. It is quite clear that we really have to stop using decision algorithms, and I am someone who has always been very light on regulation and always believed that it stifles innovation."
"Sara needed some chocolate - she had had one of those days - so wandered into a Home Bargains store.
"Within less than a minute, I'm approached by a store worker who comes up to me and says, 'You're a thief, you need to leave the store'."
Sara - who wants to remain anonymous - was wrongly accused after being flagged by a facial-recognition system called Facewatch."