My wife recently was at a certain chain store for books and paper accessories. She did not interact with Amazon in the store, and does not have the Amazon app i

My wife recently was at a certain chain store for books and paper accessories. She did not interact with Amazon in the store, and does not have the Amazon app installed. And yet, just minutes later, she started receiving Amazon recommendations for exactly the kind of items you would expect at the store she had been. I told her that this a coincidence, but other apps sending her location could actually explain it.