Content replacement in electronically-provided archived material

A system for rendering archived material comprising:

• a first data store which stores a plurality of instances of archived material, wherein at least one of the instances comprises a plurality of items;
• a second data store which stores a plurality of rules for replacing at least a first one of the plurality of items with a second item;
• and
• a software module which creates a second instance of archived material based on the first instance by replacing the first item with the second item.

A computer-readable medium having stored thereon a data structure associated with an item, the item comprising a portion of a document that appears on a page, the data structure comprising:

• a first data field comprising category data of the item, wherein the category data describes a type of item, the type of item comprising one of:
• text, an image, and an advertisement;
• a second data field comprising geometric data of the item, wherein the geometric data describes one of a physical location of the item within a page and the size of an item;
• and
• a third data field comprising relevancy data, wherein the relevancy data comprises a date beyond which an item is outdated.

A computer-readable medium including computer-executable instructions for performing steps comprising:

• reading a node representative of a document;
• determining, based on the first node, that the document comprises a plurality of items, each of the items being represented by one of a plurality of second nodes;
• and
• for each second node:
• determining the geometric boundaries of the item represented by the node;
• and
• placing a piece of content associated with the item within the geometric boundaries of the item,
• wherein a first one of the items has a temporal constraint associated therewith, and wherein the act of placing a piece of content associated with the first item comprises identifying a piece of content that meets the temporal constraint.