Have you visited an Apple store in recent years? If so, you will have seen the Cupertino company’s employees in their blue attire looking up information and processing sales transactions on iPads. It is perhaps the best example of how POS (or Point of Sale) systems have evolved throughout the years, shrinking in size to something that can be carried around in the palm of your hand.

POS systems have been around for a while. The first was invented back in 1879 by American shopkeeper James Ritty, who noticed that his employees were pocketing money his business was making. He called it “Ritty’s Incorruptible Cashier”, which is perhaps a more catchy name than “cash register” as today’s ubiquitous IT tool would commonly become known.

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