Apple, in centralizing control over data collected on iOS, is rejecting apps from the App Store, essentially 50,000 apps at a time.

For example, the App Store recently rejected updates to an app that used a third party software development kit (“SDK”) from Adjust. As a result of the SDK and according to Apple (as reported by Forbes):

“[Your app]…collects user and device information to create a unique identifier for the user’s device [via fingerprinting] … Per section 3.3.9 of the Apple Developer Program License Agreement, neither you nor your app can use any permanent, device-based identifier … for … Continue Reading