Group 1 - The city is promoting commercial quality upgrades through smart consumption, with a significant rise in "contactless payment" innovations in urban supermarkets [1][3] - Self-service scanning payment is transitioning from a novelty to a regular practice among consumers, enhancing the shopping experience and optimizing the consumption environment [1][3] - In Yonghui Supermarket, self-service device coverage has reached 55%, with self-checkout accounting for 60% of transactions on weekdays, improving efficiency by 40% compared to manual checkout [1][3] Group 2 - In CR Vanguard Supermarket, self-service payment devices have a coverage rate of 68%, processing an average of 972 orders per day per device, significantly benefiting peak shopping hours [3] - The demographic using self-service devices is predominantly under 35 years old, making up 82% of users, and they complete transactions 3 minutes faster than at manual checkouts [3] - The shift towards self-service payment reflects a deeper change in consumer habits, aligning with the younger generation's demand for seamless service [3]