You're right - knowing where something is, is more or less just creating a form of map. But knowing who is where on that map, and when, is surveillance - it's c

You're right - knowing where something is, is more or less just creating a form of map. But knowing who is where on that map, and when, is surveillance - it's classic PI stuff. The wiki definition seems to me to fit. > Surveillance is the monitoring of behavior, activities, or information for the purpose of information gathering, influencing, managing or directing.