Doesn&#x27;t really matter if he connected to the WiFi: even just having WiFi enabled&#x2F;turned on means that you should assume every store that you enter knows that you&#x27;re there, and every other retail store also knows (that you&#x27;re inside a competitor&#x27;s store).<p>There are a number of startups providing these services (some of them have gone through YC I think?). It&#x27;s now so common that you just have to assume that if your phone is broadcasting anything at all, including looking for a WiFi network to join, that your location is being tracked and sold for competitive analysis by corporations.