As the cost of labor increases, investing in fixed cost capital improvements like robotics and self order systems becomes an easy decision for those hiring low skilled work forces:

McDonald’s hires 7,000 touch-screen cashiers – CNET.

Grocery stores, bank ATMS, even Home Depot, have replaced cashiers and clerks with self checkout systems. The McDonald’s systems use debit and credit cards only – making it all the more easy for your activities to be monitored.

By EdwardM