1. A method of performing an action based upon physical locations of paper documents, the method comprising: receiving information identifying a first physical location and a first action to be performed; receiving information read from identification tags physically associated with one or more paper documents located at the first physical location; determining, for each paper document in the one or more paper documents, paper document-related information for the paper document based upon information read from the identification tag physically associated with the paper document; and performing the first action using the paper document-related information corresponding to at least one paper document in the one or more paper documents.