What 1950s invention is still being used today?

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In 1950, the first credit card was invented. Businessman Frank McNamara created the Diners Club card to pay without carrying cash after he forgot his wallet while dining out.
Doug Griffin/Toronto Star via Getty Images
Doug Griffin/Toronto Star via Getty Images
What 1950s invention is still being used today?
- Library cards
- Debit cards
- Moneygrams
- Credit cards
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