A technology for an advertisement insertion system that is operable to dynamically inserting an advertisement into video content. The drill bit comprises an elongated fluted portion that terminates in an end face that is oriented substantially transverse to a longitudinal axis of the fluted portion. A method for analyzing colon cancer markers using multiplex colon cancer marker panel. From the combustion chamber, the now clean air flows through another column containing heat exchange media, thereby storing heat in the media for use in a subsequent inlet cycle when the flow control valves reverse. Interposed between the device controller and the memory modules are a plurality of memory controllers, each memory controller controlling a group of memory modules.