A method of distributing a periodical via a computer network is provided.
The periodical comprises one or more printed pages. A page comprises
graphical information functioning in cooperation with a plurality of
coded data tags to provide an interactive element. The method includes
the steps of: (i) determining a unique page identity for the page in a
computer system; (ii) determining a page description for the page in the
computer system, the page description comprising: (a) a description of
the graphical information, and (b) a description of the interactive
element, which includes (b1) a zone of the interactive element on the
page and (b2) an identifier for the interactive element; (iii)
associating the page identity with the description of the interactive
element; and (iv) sending the page identity and the description of said
graphical information to a printer via the computer network. The method
causes the printer to generate the plurality of coded data tags using the
page identity and to print the page. Each coded data tag contains a code
pattern identifying the page identity and the tag's own location on said
page.