In one embodiment, a method includes storing one or more content postings, where each content posting is associated with one or more first users and each content posting is associated with one or more geographic locations corresponding to accessing of the content posting. The method also includes selectively sending one or more of the content postings for display on an access device based on a past or present geographic location of the access device, where the access device is associated with a second user, and for each content posting selectively sent for display on the access device, one or more of the geographic locations associated with the accessing of the content posting being within a predefined proximity of the past or present geographic location of the access device is requisite to the content posting being sent for display on the access device.