The present invention can be implemented in a manner to allow operational monitoring and {HEAD ~ control} of networks , vending machines, electronic mail , electronic commerce , electronic business , {TAIL ~ payment} for goods and services, delivery of goods and services, and advertising worldwide 
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The present invention can be implemented in a manner to allow operational monitoring and { HEAD ~ control } of networks , vending machines , electronic mail , electronic commerce , electronic business , { TAIL ~ payment } for goods and services , delivery of goods and services , and advertising worldwide
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