Thank you all for this detailed info and ideas. From my point of view you need to keep it very clear and simple from a user point of view, and in my mind, turning off the app should kill the connection and put everything to sleep, zero battery consumption, in particular for the camera. Having to tur...

Hi, I am using the geotagging a lot and my N1 stays on (LED) searching for the app even when the camera and the app are off. The only way to terminate this, not to drain the battery if not in use for a long time is to manually turn off the GPS feature in the app first, then turn off the app and then...