A container for holding and dispensing fluids is disclosed, wherein the container has a reservoir having a base so that said reservoir may be positioned in an upright position, an internal partition and a neck portion, having a mouth. An ad scheduler prepares an ad insertion schedule based on channel change statistical information and avail time information. An entering recording medium detector is disposed upstream from the fixing nip in a conveyance direction of the recording medium to detect the recording medium. It allows for full-duplex connectivity measurements.