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![An Emart24 employee checks into an unmanned convenience store in Coex, southern Seoul, using a QR code on Thursday. Customers can enter the store after receiving a QR code when they register a credit or debit card. They can pick up products and leave the store without scanning their purchases, with payments processed automatically. [YONHAP]](https://image.koreajoongangdaily.com/11897933.jpg?imageId=11897933&width=240&height=184&format=webp&format=jpg)
![Lotte Shopping’s automation facility. [LOTTE SHOPPING]](https://image.koreajoongangdaily.com/12076574.jpg?imageId=12076574&width=240&height=184&format=webp&format=jpg)
![A Lotte Mart employee at the Gwanggyo branch in Suwon, Gyeonggi, prepares an order placed online. [LOTTE SHOPPING]](https://image.koreajoongangdaily.com/11140509.jpg?imageId=11140509&width=240&height=184&format=webp&format=jpg)