| 摘要 |
A computer-implemented method, a server, and a computer use an enhanced customer interaction channel based on a predetermined payment key associated with a specific company and location. The predetermined payment key uniquely identifies the specific company and location and enables the enhanced customer interaction channel based on existing payment processing systems. The specific company may use the enhanced customer interaction channel to reach customers who were previously unknown to the specific company for a variety of purposes such as rewards, coupons, offers, product information, and the like.
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