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Re:Is tipping getting out of control? Many consumers say yes by kelnos on Tuesday January 24, 2023 @03:40AM (#34501102)
The person who made this point addressed this already:

> banknotes are only in circulation for one or two exchanges before coming back to a bank

No, you don't get the 100% whole picture, but you can mine a ton out of data points like "note 38573204 was given to John Doe via ATM on 2023-01-10, and returned to bank by Jane Smith (owner of ABC Widgets) on 2023-01-14".

Re:Is tipping getting out of control? Many consumers say yes by freejazz on Wednesday January 25, 2023 @06:34PM (#34525720)
Not really. Coincidentally, there is no database of that. Hmm, wonder why!