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Tom buskey's avatar

In 1989 I was a computer operator for a retail chain. Every evening, the stores would dial in to upload the days data. It was basically everything that went through the cash registers.

If something sold a lot, it could trigger reorders for that store, etc. most important were the credit card records. They got written to a 9 track tape and FedEx'd to the card company. Except Visa, who should call up and we would send it over the modem.

Usually the tape had around 1 million $ on it. On the Friday night after thanksgiving, it was around 3 million. This was before stores had big sales the day after thanksgiving.

I think most retail chains were still mostly using postal mail for this kind of thing and there wer

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