ms. kangorts to try to cramp down -- clamp down on the spreadof disinformaation and harmful speech but after many years of prioritizing sech that tends to be -- conte that tends to be the most emotive. the kind that makes you respond, -- william: an emotional reaction. ms. kang: absolutely. either by getting angry or fearful and making you want to share and amplify. we explore in the story about how the technology is used. the algorithms to make the content service to the top. what facebook did is hired at content moderators and tried to use ai to find and weed out the worst speech. by the time they did it, and they had been warned many times this was a problem, by the time they dated, the problem was so enormous for them and even the many thousands of content moderators they have hired were playing catch up because they were so far behind. william: your book documents many instances where facebook became aware of troubling things owing and blossoming on their site. january 6 was a perfect exa