This New York Times article reports on former Facebook product manager Frances Haugen’s testimony before a Senate subcommittee, where she revealed how Facebook deliberately kept users, including children, hooked to its platform, even using harmful content to drive engagement. Haugen exposed that Facebook hid research showing its negative impact on teenagers’ mental health and ignored opportunities to make its platforms safer. Her testimony has fueled calls for more stringent regulation of the social media giant, as she provided lawmakers with insights and recommendations on what data to seek from Facebook.