Date-triggered CD-ROM telephone directory

摘要

An electronic directory for advertising products and services for use in combination with a computer system including a display and including a clock/calendar which maintains current date and time information, and a method of providing such a directory. The electronic directory includes a computer-readable medium having computer readable-program code and data comprising a database embodied thereon. The database in turn comprises data representing a business telephone directory including advertising content in the form of a plurality of individual advertising elements. At least some of the individual advertising elements are encoded with date information indicating on which date or dates particular individual advertising elements are to be active The computer-readable program code is operable to cause display of particular ones of the at least some of the individual advertising elements only when the encoded date information matches the current date as maintained by the computer system clock/calendar.