But what happens when they end up stealing it from Waze, or Tile, or Apple. What happens when google just sells it to people?
Indeed.
To stop this from being a thing, it needs to be done from the ground up with a privacy respecting OS run by a privacy respecting company, serviced by a privacy respecting server.
Indeed.
Same as it ever was.
Google, Apple, etc selling the data is actually unlikely. They don’t want other advertisers data to be as competitive as their own.
The smaller players though, get more profit selling data because they’ll never compete with the giants on the targeted ads front.