Hand gestures are not "entirely controlled", I mean you might want to cough, sneeze or yawn and put automatically the hand before your mouth, or you might be wa

Hand gestures are not "entirely controlled", I mean you might want to cough, sneeze or yawn and put automatically the hand before your mouth, or you might be wanting to swat/chase a fly or mosquito away. If you are hand gesture controlling - say - a browser or a painting app, at the most you use undo or back, but what happens with the quadcopter?