System and method for signaling control information in a multi-carrier communications system to transmit data. The processor is further adapted to identify according to the media descriptor one or more images of one or more performers commonly presented in the media program, to monitor one or more frames of a live media feed including the media program, and compare the one or more human figures to the one or more images of performers. An upper end of the lower drill string is formed from a casing string telescoped over the casing expander unit. For each request, the load balancer may invoke a pluggable load-balancing function to determine a next node to which the request should be forwarded to balance the workload of the cluster nodes. A controller learn mode stores data from RFID tags on the concentrated chemical containers, with the controllers initiated in a high power state in response to entering the learn mode. The implement is configured to slide in a linear fashion between a stowed position and a deployed position.