Abstract: Aspects of the present disclosure generally relate to systems and methods for delivering proximity-based marketing content to mobile devices. According to one embodiment, companies or marketers generate content (e.g., advertising content) to be distributed to mobile devices of consumers as those consumers become geographically proximate to physical locations associated with the companies or marketers. According to one embodiment, a central application server is used for purposes of generating and managing marketing content, and that content is transmitted to various client devices, routers, and/or servers (e.g., “plug” computers) for further distribution to mobile devices within a proximate range of the client devices. In one aspect, the client devices identify consumer mobile devices within a predetermined geographic area that is proximate to the client devices (e.g.