Like maybe what other apps you run, or easier access to your location or phone number, or the privilege of irritating you with popup "limited time exclusive" ads.
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RT @worldsendless
They will pay you to use their app instead of your browser. How does that make business sense? Because they are getting something about you from the app that browser safety doesn't allow.
https://twitter.com/WorldsEndless/status/1522782967281594368