How about apps that already have permission, like Shazam, Siri, and GA?
As for battery, they would only need to sample a second every few minutes, to see if there was a beacon afoot, quick DFFT, and they wouldn't need to analyze much.
Not saying it's happening, just that it's easily possible. Look how many apps have location permissions that don't need it.
As for battery, they would only need to sample a second every few minutes, to see if there was a beacon afoot, quick DFFT, and they wouldn't need to analyze much.
Not saying it's happening, just that it's easily possible. Look how many apps have location permissions that don't need it.