Wow.
https://www.theverge.com/2019/1/30/18203551/apple-facebook-blocked-internal-ios-apps
"That app, revealed yesterday by TechCrunch, was distributed outside of the App Store using Apple’s enterprise program, which allows developers to use special certificates to install more powerful apps onto iPhones. Those apps are only supposed to be used by a company’s employees, however, and Facebook had been distributing its tracking app to customers. Facebook later said it would shut down the app.
Pro-tip: Do not fuck with Apple.
(h/t @TheGibson )