T-Mobile launched App Insights, letting marketers target its wireless customers based on apps they have installed and engagement patterns; users can opt out (Allison Johnson/The Verge)

Allison Johnson / The Verge:T-Mobile launched App Insights, letting marketers target its wireless customers based on apps they have installed and engagement patterns; users can opt out  —  T-Mobile's advertising business is offering a new way for marketers to pry into your app-using habits.

T-Mobile launched App Insights, letting marketers target its wireless customers based on apps they have installed and engagement patterns; users can opt out (Allison Johnson/The Verge)

Allison Johnson / The Verge:
T-Mobile launched App Insights, letting marketers target its wireless customers based on apps they have installed and engagement patterns; users can opt out  —  T-Mobile's advertising business is offering a new way for marketers to pry into your app-using habits.