“With iPhones, users can open the settings app and enter the privacy menu to change how they share data about their app use and location.
Select Tracking and toggle off Allow Apps to Request to Track. This tells all apps to not share data with third parties for marketing purposes.
Select Apple Advertising and toggle off Personalized Ads so that Apple can’t use information about you to serve targeted ads on its App Store, Apple News and Stocks.
Select Analytics & Improvements and toggle off Share iPhone Analytics to prevent the iPhone from sending device data to Apple to improve its products.
Select Location Services, tap System Services and toggle off iPhone Analytics and Routing & Traffic to prevent the device from sharing geodata with Apple for improving Apple Maps.indsay
David Lindsay. I do not agree with the assumption here that you should not let the corp. have any data to improve their services. The first point is the only one that I categorically agree with. “Select Tracking and toggle off Allow Apps to Request to Track. This tells all apps to not share data with third parties for marketing purposes.” You should not go this far.