A real time picture of all employees, contractors and visitors who are in the facility.
One can know if a particular employee or contractor is spending more time in a particular area.One can see if a contractor has unauthorizedly accessed another area.
Visitor movement can be tracked.In case of an emergency evacuation , one can pinpoint the numbers and identities of people in particular areas, so emergency efforts get correctly directed.
If conducting a practice drill, one can actually log people movements to see if the drill was done correctly.