I know some on here are also partial to a tin, hat, so thought I’d share this article. https://apple.news/AtIE0CHpyQL60t7bCUtqhMg In summary, there is a system location data collection setting, that lists everywhere you have been (significant locations) and store. It uses if for phone etc tagging (allegedly) bit worth a check to see just how much data its holding. Seems some of the new iOS releases have included some added help for Apple to know even more about you... check the settings for ads etc too
