Observe a scanner and Point-of-Sale (POS) system checkout counter at a store such as K-Mart, Target or Wal-Mart and answer the questions that follow. ) What other systems does this system interact with? What are some of the additional managerial uses of the information? Some store scanner and POS systems are being replaced by self-service checkout kiosks. Compare the two systems in terms of speed, ease of use and problems that you may encounter.