This invention describes a system that automatically tracks how much of a product a user has and reorders it when supplies run low. It works by storing a digital count, detecting when the product is used to reduce the count, and then triggering an order when the count falls below a set threshold. The claims specifically narrow this to tracking and reordering liquid for electronic vapor systems, potentially by prompting the user to buy from a specific merchant.
Why it matters: Filed before widespread integration of usage sensors and connectivity in consumer devices. Today, many electronic vapor systems can report usage data directly, simplifying the implementation of automated reordering based on real-time consumption.
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