That's interesting. Are you saying many people you know don't usually check street signs against the name of the streets the GPS directs users to? I know that's my reflex when I have readable street signs, but I guess I have no idea what portion of people rely on that vs the "feel" of how close the turn is from the visual representation on-screen (which I use sometimes too, but don't like relying on since it often lags a bit) or other cues.