a method for tag - based search includes capturing an image , extracting a tag from the image , identifying a location associated with the captured image , and querying stored content for information that matches the location and the tag . local storage is checked for the information first , and remote storage may be checked subsequently . any located information may be used to augment the image . information located in the remote storage may be saved in the local storage until it reaches a certain age , until it fails to be accessed for a threshold period of time , or until the location moves outside a threshold radius associated with a location of the information located in the remote storage .