1. In a non-transitory computer readable storage medium having stored therein data representing instructions executable by a programmed processor for displaying geographic specific advertisement inventory, the storage medium comprising instructions for: identifying a geographic location for which an advertisement is displayed; receiving a category for the advertisement to be displayed; displaying, on an interactive map of the geographic location, an inventory of advertisement listings within the geographic location, wherein the advertisement listings are related to the category and each listing comprises an advertisement slot available for purchase; receiving a selection of at least one of the advertisement listings from the displayed inventory; and displaying an advertisement for the selected advertisement listing.