For a fun night at a bar, all you really need any more is a smartphone with a ride sharing app and maybe a credit or debit card. But using cash can get the bartender on your side, and actually save you some money if you're not planning to stay very long.
When you swipe a credit or debit card at the store, you're done with the transaction instantly. So why can't your account statement keep up? If you've wondered why it takes so long for purchases to show up on your credit card statement or withdraw from a bank, it's because of a long, complicated process behind the scenes.
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