$SMME says that in the brave new world post Covid-
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Leaving the confines and safety of a person's home takes the consumer into a shopping environment where they can expose themselves to virus infection. One of the common points of risk exposure is at the checkout counter. A credit and debit card key pad that is not cleaned after every transaction has become a serious touch point that can transfer viruses from one customer to another.
https://finance.yahoo.com/news/smartmetric-bi...00639.html