Only a couple of companies in the world have the experience of building these machines, although the market need, if RFID did take off, would be for about 1 million of the machines running in parallel.
RFID needs to become compatible to this system so that one can just plug in an RFID scanner or a barcode scanner and run the same software.
The chip comes from silicon foundries who have been running their plants for the past fifty years, understand mass manufacture, and are the area that is most likely to understand the volume increase problem.