Techniques that facilitate tracking of physical locations of paper
documents. Embodiments of the present invention can track physical
locations of paper documents that have identification tags physically
associated with them. Each identification tag that is physically
associated with a paper document is configured to store information that
can be used to uniquely identify the paper document with which the
identification tag is physically associated. For a particular paper
document, the identification tag physically associated with the
particular paper document along with information stored in the
identification tag facilitates tracking of the physical location of the
particular paper document.