Is this what happened to RFK jr?

I’ve tried to find a nice balance of exercise. I always figured I was supposed to go to the gym and lift and run on treadmills and do push-ups. I’ve honestly found that a simple 30 minutes of walking is all I need

Wow. This is pretty impressive since you usually only see these kinds of things from big tech companies and their stuff is definitely NOT privacy friendly.

Can you provide more detail on how it works and how it is different than what big tech is doing?