Archive for July 7th, 2013
Cash Register: Useless Error Message
This message may be useful, in the sense that it reports something about the internal state of the cash register:
But the fact that it appears on the customer-facing display means that the cashier won’t see it and can’t do anything about it. I’m not sure if the floor personnel know anything about buffers, either.
The cashier-facing display says: “Welcome to Walmart!”
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