=> toggle algorithm on: mainly motion sensors, but also microphones, camera
=> some input is generated locally, some is received from peers
=> strong input filtering to trigger start and stop of emergency situation
=> spontaneous triggering + user-assisted voting system
=> can determine from peers what happened and whether we are indoors or outdoors
=> toggle algorithm on: mainly motion sensors, but also microphones, camera
=> some input is generated locally, some is received from peers
=> strong input filtering to trigger start and stop of emergency situation
=> spontaneous triggering + user-assisted voting system
=> can determine from peers what happened and whether we are indoors or outdoors