T-Mobile is selling your app usage data to advertisers — here’s how to opt out
T-Mobile knows what apps you're using. | Illustration by Alex Castro / The Verge T-Mobile's advertising business is offering a new way for marketers to pry into your app-using habits. Ad Exchanger reports that the un-carrier's new program is called App Insights, and it's now fully operational after spending a year in beta. The program allows third-party marketers to buy T-Mobile customer data and centers around a key piece of information that it has unique access to: what apps you use.
Customer data is anonymized, and it's pooled together with others of similar interests and behaviors, so companies can't buy a specific user's app history. Still, it's creepy. The company's advertising segment touts this offering loud and clear on its website, with the phrase Apps speak louder than words" splashed across the top of...