| http://www.w3.org/ns/prov#value | - The user can select certain applications, try them out, at least in simulation, and then select applications to purchase, The vending machine, once all the requirements are met, such as proper identification and payment, copies the selected application(s) to the memory of the ??PDA, or, alternatively, to a floppy disk provided by either the user or the vending machine.
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