15. The system of claim 11 , wherein: the one or more programming instructions that, when executed, cause the computing device to receive contact information comprise one or more programming instructions that, when executed, cause the computing device to: receive a website address of the product information provider associated with the structural document, and generate a second encoded data mark that embodies the website address, and the second encoded data mark is displayed on the graphical representation at the location.
15. The system of claim 11 , wherein: the one or more programming instructions that, when executed, cause the computing device to receive contact information comprise one or more programming instructions that, when executed, cause the computing device to: receive a website address of the product information provider associated with the structural document, and generate a second encoded data mark that embodies the website address, and the second encoded data mark is displayed on the graphical representation at the location. 16. The system of claim 15 , wherein one or more of the encoded data mark and the second encoded data mark comprises one or more of the following: a one-dimensional bar code; a two-dimensional bar code; a QR code; and a printable radio-frequency identification code.