7.4 Location-Based Services and Commerce Location-based commerce (l-commerce) or location-based services (LBS) refers to the delivery of advertisements, products, or services to customers whose locations are known at a given time. Location-based services (LBSs) 5 Key conceps: 1. Location Determining the basic position of a person or a thing (e.g., bus, car, or boat), at any given time 2. Navigation Plotting a route from one location to another 3. Tracking Monitoring the movement of a person or a thing (e.g., a vehicle or package) along the route 4. Mapping Creating digital maps of specific geographical locations 5. Timing Determining the precise time at a specific location