The power that big tech wields in our lives and the potential for it to do harm is front and center. Facebook's recent $17 billion settlement in the US is aimed at limiting some of those harms - at least to young people - and that settlement can be directly traced to Frances Haugen. She is the whistleblower who gave the world the evidence it needed and is also the subject of a new movie from screenwriter Aaron Sorkin, The Social Reckoning. Host Amanda Lang speaks to her about misinformation, regulation and what Facebook has taught us about the future of AI.