Mobile app permissions are a daunting problem: it’s difficult to know exactly what each app on your phone is doing, reading, or tracking when you’re not using the app. With the right combination of permissions, an app can have access to everyone you’ve talked to, everywhere you’ve been, and more. And even if you take a proactive approach to managing your apps, it might require toggling through a hundred different settings and options.

A group of researchers at Carnegie Melon University say they’ve come up with a solution for app permissions, after spending the past few years researching mobile apps and consumer privacy preferences. The group, led by Professor Norman Sadeh, also the director of CMU’s Mobile Commerce Laboratory, just…

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