Receipt of information is not typically confirmed, either by internal or external users. For the most part, the people uploading new information do not need to know whether or not the information has been received. There are exceptions -- customer service staff updating an order will want to know that the updated information has been received. They will typically see a note (subset information accessed via the bar code) on their computer screens that confirms that the new information has been received centrally. But because end users (especially external ones like receivers) have no direct connection with the sender of the information (pick-up couriers, package handles), and the latter group only holds the package for a few seconds or hours, there is no need for receipt to be confirmed.

In general, the information is relayed via wireless towers to the centralized information center. It is unlikely that there would be...
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