12. The system as recited in claim 11 wherein communication channel comprises one or more of an Ethernet (IEEE 802.3) network and a Wi-Fi (IEEE 802.11) network.
13. The system as recited in claim 12 wherein the plurality of business subsystems comprise one or more of: a human resources subsystem; an accounting subsystem; an engineering subsystem; a customer relations management subsystem; an inventory management subsystem; and a billing subsystem.