Participants weren’t able to stop data sharing in any of the apps In practice, protecting privacy on an Apple device requires persistent and expert clicking on each app individually. Apple's help falls short. ‘The online instructions for restricting data access are very complex and confusing, and the steps required are scattered in different places. There’s no clear direction on whether to go to the app settings, the central settings – or even both,’ says Amel Bourdoucen, a doctoral researcher a...