16. The method of claim 1 , wherein the information uniquely identifying the printed document and uniquely identifying the user of the printed document associates the printed document with the particular mixed media reality document.
1. A computer-implemented method of using a printed document, comprising: receiving a captured image of at least a portion of a printed document describing goods or services, the portion including information uniquely identifying the printed document and uniquely identifying a user of the printed document; extracting features from the captured image including the information; comparing the extracted features with a plurality of indices of mixed media reality documents to identify a particular mixed media reality document; retrieving user information associated with the user using the particular mixed media reality document; and causing an order form to be displayed on a capture device of the user, the displayed order form pre-populated with the user information.