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Consumers frequently encounter self-checkout systems when shopping at familiar retailers and supermarkets. What should be a simple process can quickly turn into a frustrating experience, as shoppers watch fellow customers struggle with technology, scanning items, finding barcodes, and managing erratic machine responses. Often, only one employee oversees self-service stations, forcing lengthy waits whenever technical issues arise. This shift in responsibility from cashiers to customers has led to increased wait times, higher error margins, and a lack of choice, leaving consumers feeling trapped to navigate convoluted self-checkout processes.