Can an app really track you after you delete it?

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USA Today:

Can a deleted app keep on tracking you, even if the app is off the phone?

The unsatisfying answer: Yes and no.

The app can’t follow you around and know your whereabouts. But app developers can engage in “tagging,” leaving behind a unique ID on an iPhone so the developer can recall the apps that were on it and the last Wi-Fi network the phone was logged onto. These marks are used to help a company prove that the phone belonged to an individual, says Joseph Jerome, privacy & data policy counsel for the Center for Democracy and Technology.

The subject became hotly debated online this week in response to a New York Times profile of ride-hailing app Uber.

Full story here.

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