Those of us not blessed with a keen sense of direction and a solid mental map are deeply grateful for the now ubiquitous addition of GPS navigation to our lives. Long car trips have been shortened as we’ve avoided getting lost. “Marriages,” Lance Rütimann asserts, “have been saved.” Unfortunately, that saving grace deserts us when we go inside. In yesterday’s SupDet 2016 “Indoor Positioning Systems Enhance Safety and Security in Buildings” presentation authored by Oliver Zechlin and Lance Rütimann, Siemens Switzerland Ltd., Rütimann outlined the possibilities inherent in creating in indoor positioning system. Buildings would be thoroughly mapped and users...