Alongside yesterday’s releases of iOS 12, tvOS 12, and watchOS 5, Apple quietly updated some of its iTunes Store terms and privacy disclosures, including one standout provision: It’s now using an abstracted summary of your phone calls or emails as an anti-fraud measure.

Note that it is bleak start, as collected information will be slowly rising even this year.

Main goal of TS (Trust Score) is to prevent any activity in iOS store if Apple won't like your actions, in 2019 this could spread also to blocking phone calls and other functions if score will drop too low.

Main candidate on 2019 score addition will be browser visited URLs history, so for visiting "fake news" sites or illegal video or software download sites you could be punished.