With the rollout of the first phase of its RouteSmart(TM) delivery system that includes hundreds of hand held computers linked through an intranet to a mainframe computer, Florida's NuCo2 Inc. (Nasdaq: NUCO) may forever change the way bubbles are delivered to soda fountains and soda pop. And they may very well affect the way any commodity, whether it is the carbon dioxide in soda pop, or heating oil or propane, gets distributed at the retail level.