9 Downloadable computer software and firmware, computer hardware, and electronic apparatus and instruments, all for positioning a user, facilitating navigation of a user, anonymously collecting user location data, anonymously analyzing user location data, anonymously providing analytics of user positioning and location data, facilitating location-based messaging, and anonymously tracking user positioning and location, all for the purpose of anonymous contact tracing, management of occupancy and congestion in a given space, wayfinding navigation, and management of cleaning operations; downloadable software for the purpose of contact tracing, management of occupancy and congestion in a given space, wayfinding navigation, and management of cleaning operations in the field of user location and positioning and related navigation and analytics; downloadable mobile applications for the purpose of contact tracing, management of occupancy and congestion in a given space, wayfinding navigation, and management of cleaning operations in the field of user location and positioning and related navigation and analytics