You’d normally associate cameras that track your movements with George Orwell’s ‘1984’. Yet a new app, currently on trial in Nashville USA, is offering this ‘service’ to the public.

By signing up to the ‘Facedeals’ app, you give permission for facial-recognition cameras to scan your features as you enter shops, then check you in automatically and send you targeted offers. Intelligent marketing or a step towards the nanny state? You decide!