UCLA has been working with them for quite a while on this: https://newsroom.ucla.edu/releases/ucla-launches-major-mental-health-study-to-discover-insights-abou

UCLA has been working with them for quite a while on this: https://newsroom.ucla.edu/releases/ucla-launches-major-mental-health-study-to-discover-insights-about-depression https://newsroom.ucla.edu/releases/ucla-launches-major-menta... It's creepy in a way, but monitoring activity and expressions could result in some valuable insights about warning signs, habits and such. My guess is Apple is just wondering if it can snip out something clinically viable from the part that relies on its hardware. Doesn't mean it's a great idea, but this is part of a larger science push.