> Does the average iphone owner leave their bluetooth, gps, and mobile network on 24/7? Absolutely, yes. > What happens inside buildings when the phone doesn'

> Does the average iphone owner leave their bluetooth, gps, and mobile network on 24/7? Absolutely, yes. > What happens inside buildings when the phone doesn't have a fix? Have you never used your phone inside a building before? It still has a very good idea of your location, it doesn't rely solely on GPS signals.