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> I can’t remember the last time I paid or even saw someone pay cash for anything

For as long as not everyone has access to a bank account or credit card I'll be concerned about fueling divisions in society.

I'm not from the US, unlike the origins of this discussion, but also hear this statement and have no reason to doubt it is true. But if you step out of the wealthy areas or even just look a little closer then the users of cash are visible.