In one embodiment, a method includes storing one or more content postings that each include data representative of one or more content instances, where each content posting is associated with one or more first users and each content posting is associated with a geographic location corresponding to a content creation event 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, the geographic location associated with 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.