It is predicted that half of all vending machines in the U.S. will be equipped to accept credit and debit cards over the next three years. The motivation for this is that consumers tend to spend more when buying with credit/debit cards than when paying cash. A study of vending machines that currently accept both cash and credit/debit cards compared the average purchase using credit/debit ($2.75) to the average purchase using cash ($1.50).
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