Countingdollars
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This final note today: Next time you see your bank teller obsessively taking all the bills in her drawer and sorting them so they're all face up and turned the right way, tell her she doesn't have to do that anymore.

Here's the deal: For years, the money-counting machines at the Federal Reserve would destroy bills that went into its currency-counting machines facing the wrong way.

Yes, destroy.

Good news is that new technology now lets the Fed count money whether it's upside-down or not.

Me? I'm still gonna make my wallet look nice and tidy.

Follow Kai Ryssdal at @kairyssdal