17. A computing system, comprising: a processor of a device of a user; an optical sensor in communication with the processor and configured for capturing, by a device of a user, an image of a machine-readable symbol encoding an identifier, the identifier identifying a locale associated with the machine-readable symbol; and a capture program executed by the processor and configured for: processing the captured image to discern the identifier encoded into the machine-readable symbol; presenting for display on the device an interface for receiving content from the user relating to the locale associated with the machine-readable symbol; and receiving, from the user at the device, content relating to the locale.
17. A computing system, comprising: a processor of a device of a user; an optical sensor in communication with the processor and configured for capturing, by a device of a user, an image of a machine-readable symbol encoding an identifier, the identifier identifying a locale associated with the machine-readable symbol; and a capture program executed by the processor and configured for: processing the captured image to discern the identifier encoded into the machine-readable symbol; presenting for display on the device an interface for receiving content from the user relating to the locale associated with the machine-readable symbol; and receiving, from the user at the device, content relating to the locale. 18. The computing system of claim 17 , wherein the capture program is further configured for sending an indication to a server that the user of the device captured the machine-readable symbol, the indication including a user identifier linking the user to a user profile on the server.