"We know notifications has an harmful effect on teen usage."
"A November 2019 presentation entitled 'IG Notification Systems Roadshow'" [Master Complaint (Local Government and School District)]: "[A]s a result of its 'high volume' push notifications, young users are 'overload[ed],' 'overwhelm[ed],' and compelled to re-open Instagram repeatedly throughout the day. Despite acknowledging users' concerns that Instagram's push notifications had the potential to 'constantly harm . . . mental health,' Meta deferred the 'harmful effect on teen usage' for further investigation." "We know notifications has an harmful effect on teen usage. We'll spend H1 investigating further . . ."
Unnamed employee, as quoted by plaintiffs