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Digital Courier is a method by which the telephone line used in conventional Internet connectivity to link the end user with the Internet Service Provider is eliminated. In the Digital Courier Network, the data normally carried by the dial up telephone link is instead physically carried by a mobile computer between the end user's location and a high bandwidth data drop to the Internet.
The mobile computer may be carried by hand or mounted on vehicles already traveling on regular routes between these locations, picking up and dropping off data to the schools from outside the building by radio via inexpensive wireless LAN radio cards exactly as a postman would pick up and deliver mail.
After the mobile computer collects the data for every school in the entire network, it returns back to the depot where all the data is radioed to a depot computer permanently connected to a high bandwidth line direct to the Internet each message is sent to its appropriate address around the world. The responses are collected by the depot computer and the following morning are radioed to the mobile computer from the depot computer and carried out to the locations along the route and dropped off by radio to each of the schools where they are accessed by the students at their leisure.