If you're storing appointments on your electronic calendar like Google's, they know too. Calendars are a wealth of private information: when is your home empty, what kind of vacations do you take, what conditions are you being treated for, etc.

All these billionaires really missing out on the chance to be an actual Santa Clause.

They have practically endless 'money', and they already see you when you're sleeping, and know when you're awake.

Oh look at this, the privacy weirdos were right the whole time.

At the Doctor? Doctor who?

I would be delighted to profit from it. But somehow I don't think that's what is being offered.

Ever consider turning off location services?

Make sure to refuse when the Dr asks you if it's ok for them to use AI to record the conversation. I told my doctor last week and she got work by hand on the keyboard.

Not my GrapheneOS phone.