We manage parking slots in a first come first use policy. This idea change it to reserve and use. Combine with network, the parking slots are allocated with reservation. This have many benefits: 1. No waste of time and gas. 2. You may always plan for a best route before. 3. No parking meters required. Just a networked reserved system. 4. Works well even on high demand situation, in a sport event, every body reserve their parking slots, and people can not reserve one have no...