No one sane would ever want their relatives, friends, work colleagues, and neighbors to be able to know (quoting from the OP): > who you sleep with because both you and the person you share your bed with keep your phones nearby > whether you sleep soundly at night or whether your troubles are keeping you up > whether you pick up your phone in the middle of the night and search for things like "loan repayment" > your…
This is a great list. SO many times people have said to me, "Let them track me, I've got nothing to hide." And you hit them with a few things off this list and they immediately change their mind. There should be a tinurl for website I can send people to that shows a simple list of all the ways personal information can be used.
I just now set up a small site for it at https://whynottrack.com/! It's open source -- GitHub link in the footer -- so anyone can PR changes / reasons / etc.