A method involves receiving a clippable coupon message representing a selection by a user of an item, assigning an entry to a folio for the user, and tracking for a coupon usage from the folio. In order to have a reduced flag dimension, the flow tubes are formed to have a substantially semicircular arc between an inlet and an outlet. According to the downloaded application, the operation of the multimedia terminal is controlled based on the source indication. The mechanical property may be indicative of skin compliance, skin elasticity, skin stiffness, or skin damping.