> For months, Mr. Kalanick had pulled a fast one on Apple by directing his employees to help camouflage the ride-hailing app from Apple’s engineers. The reason?

> For months, Mr. Kalanick had pulled a fast one on Apple by directing his employees to help camouflage the ride-hailing app from Apple’s engineers. The reason? So Apple would not find out that Uber had secretly been tracking iPhones even after its app had been deleted from the devices, violating Apple’s privacy guidelines. How could they track iPhones after the app was deleted?