My book on facial recognition technology comes out on September 19! Over the last two years, I tracked down the tech's early pioneers, found the people fighting against its worst impulses, and dove into the history of Clearview AI, the start-up that first drew me into the topic with a radical person-finding app that giants in the field, including Google and Facebook, had deemed taboo. It feels real now because there's a release date and a preorder button: https://www.penguinrandomhouse.com/books/691288/your-face-belongs-to-us-by-kashmir-hill/