Cash may not be obsolete, but it's taking a back seat these days to those little plastic rectangles found in just about everyone's wallet or purse. For years, there was just one type, the credit card. Now, the debit card is proving even more popular. While the two have similarities, there are important differences you should keep in mind.rnThe popularity of debit cards is likely due in part to the catastrophicrndebt loads that millions of credit-card users brought upon themselves. Every time you use a credit card, you incur debt. You have the choice of paying off that debt in full each month, or you can pay it off over time, plus interest.
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