Vertical positioning is critical for location intelligence and emergency response in large, dense urban areas. Longitude and latitude alone are not enough to identify a subject’s position in a multi-story skyscraper, underground parking garage, or subway station, for example.
Every year, over 300,000 people suffer from out-of-hospital cardiac arrest (OHCA) in Europe. Only 8–10% survive.  Increasing survival in OHCA is actually not rocket science. Scientists and medical experts all agree that early cardiopulmonary resuscitation (CPR) and the use of an automated external defibrillator (AED) save lives and if used within the first 3–5 minutes survival could double!