I run a similar sized WISP. All I do is use NFSEN to see who is using the bandwidth, and then give them a call. Almost all the time the customer's kids are doing the downloading, or they have a virus. This level of service really makes the customer appreciate doing business with you.
bl8n8r writes "Boeing has announced a contract with the US Army to develop laser cannons that are to be mounted atop 20-ton trucks for the purpose of shooting down incoming artillery, rockets, mortars, or bombs. The High Energy Laser Technology Demonstrator project actually shoots stuff instead of just painting a mark on a target for other armament to hit."