Meta & Children's Online SafetyA leading social psychologist sent Zuckerberg a study indicating causation between Meta products and user harms
In August 2019, a social psychologist, and leading expert on the effect that technology products have on the mental health of their users, wrote to Mr. Zuckerberg ahead of a meeting to note that a new study "point[ed] heavily to a connection, not just from correlational studies but from true experiments, which strongly indicate[d] causation, not just correlation" between Meta's products and harms to users' wellbeing.
Unnamed employee, as quoted by plaintiffs