One of the selling points of the new app is that it will proactively alert you when you are near a restaurant that matches your tastes. Like if you say you lik

One of the selling points of the new app is that it will proactively alert you when you are near a restaurant that matches your tastes. Like if you say you like pulled pork, and pass a great BBQ place, it will let you know. So, that feature pretty clearly requires "tracking users even when the app is closed."