This invention describes a vending machine system that can automatically change the price of its products. It does this by considering factors like how much stock is left and other management rules, then updates the price displayed to customers. However, the provided first claim primarily details the steps of a customer requesting a product, making payment, and the machine checking its inventory.
Why it matters: Filed before ubiquitous, affordable IoT connectivity and cloud computing made remote management and real-time data processing for vending machines commonplace. These advancements simplify the implementation of external modules and dynamic pricing algorithms.
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