Abstract: A digital signage system provides a processor and memory; a media player for delivering content to digital signage that stores at least one playlist having media slots for playing media spots, where at least one of the media spots is a content controlling spot that includes intelligent content including attributes and attribute values for commanding control of delivery of other media spots, where the content controlling spot is configured to, upon being instigated, use the intelligent content to search for media spots to be played by the media player, identify a plurality of published media spots to be played based on a set of attributes and attribute values associated therewith, and cause one of the plurality of the published media spots to be retrieved based on the set of attributes and attribute values associated with the spot, and where the media player plays the retrieved spot on the digital signage.