so i think about people like portia woodruff, who was eight months pregnant when she was falsely arrested by ai powered facial recognition, skin misidentification. so sitting in a holding cell, having contractions when they finally let her out, she had to be rushed to the emergency room. right. so that's the type of algorithmic discrimination, putting two lives in danger. we could go on. it's a horror story. it's halloween and there are some profound example. more examples in the book from a driverless vehicle. not maybe not seen you. the list goes on and on and my jaw just dropped. every one that i read. so in the book you talk about your viral tedx talk and if you haven't seen it, i highly recommend it and you also discuss some the comments that you received. one such comment was algorithm are math and math isn't biased so can artificial intelligence ever just be a neutral objective tool that's great question. and i've had so many ai rolls, even one of the book reviews was like, you're telling me cpu's computers racist. so how can this happen right. and in fact, i got into computer scie