18. The computer system of claim 17, wherein the data structure includes a visited list, and wherein the processor is further configured to: (a) create a record in the visited list for each document location that is visited by a user; (b) maintain a visited count within each record, the visited count associated with a relative frequency in which the document location has been visited; and (c) indicate that the second hypertext document has been updated only if the visited count for the record associated with the second hypertext document exceeds a predetermined threshold.
17. The computer system of claim 12, further comprising a memory, coupled to the processor and configured to store a data structure including a plurality of records associated with a plurality of document locations, wherein the processor is further configured to: (a) display the hypertext link definition on the computer display in a first predetermined color if no record in the data structure is associated with the document location of the second hypertext document; (b) display the hypertext link definition on the computer display in a second predetermined color if a record in the data structure is associated with the document location of the hypertext document but the second hypertext document has not been updated; and (c) display the hypertext link definition on the computer display in a third predetermined color if a record in the data structure is associated with the document location of the second hypertext document and the second hypertext document has been updated.