Researchers from Finland’s University of Oulu might have cracked one of the biggest problems with location-based services – how to provide accurate navigation services when users are indoors and do not have reliable GPS signals to guide them. These researchers, lead by Dr. Janne Haverinen believe that the Earth’s magnetic field could hold the solution. Dr Haverinen and his team have founded a company, IndoorAtlas, which aims to provide indoor navigation services for app developers and device...