Really hard to pull this off, people won't accept a camera which spies on them when they are using their phone

If 20 years ago, you told me people would use a digital map on their phone that activily tracks their real-time location and habits and then associates that with a unique 'user profile', I would also say: Really hard to pull this off, people won't accept... yet here we are.

All these companies have consistently managed to creep the limits of what we allow by alluring people with frictionless convenience (at the cost of privacy).