In one embodiment, the menu services provide effective support for {HEAD ~ novice users} by providing a full listing of available keywords and rotating {TAIL ~ house advertisements} which inform novice users of potential features and information 
by rotating
In one embodiment , the menu services provide effective support for { HEAD ~ novice users } by providing a full listing of available keywords and rotating { TAIL ~ house advertisements } which inform novice users of potential features and information
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH OTH OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH