Documents & Data: A mysterious black hole of data storage in iOS

It’s hard to manage your iPhone’s storage when you can’t figure out what each app is doing.

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Senior contributor Kirk McElhearn (@mcelhearn) writes about Macs, music and more on his blog Kirkville. He also runs Kirk's iTunes Forum, where users can discuss iTunes, iOS devices, music, and more. Kirk is the author of Take Control of iTunes 12: The FAQ.