"Popcorn card" is a term that has been coined to describe a universally accepted prepaid debit card, characterized as being readily accepted and easy to consume. The analogy to popcorn comes from its appeal and ease of consumption, adaptation for multiple uses, such as decoration and making candy, and finally its low price.

My first exposure to a prepaid debit card occurred more than 15 years ago during a business trip to Washington. Two co-workers and I utilized the subway system for transportation from Arlington, Va., to downtown Washington and encountered an automated prepaid debit system upon entering the terminal.

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