Korean retailers are racing to automate their stores, with industry leaders having unveiled robots that can replace shop workers.

Korean retailers are racing to automate their stores, with industry leaders having unveiled robots that can replace shop workers.

Some of these robots can simplify payment procedures by scanning customers’ veins. Others provide automated concierge services to shoppers.

Some stores have elected to employ vending machines.

Still others have adopted high-tech solutions that allow customers to pay via a mobile payment app without going through a checkout counter.

For all the upsides, however, challenges still remain, including issues such as shoplifting.