The future is now. With vast technological advancements, Koreans can purchase goods with just a swipe of his/her very hand as depicted in numerous sci-fi films.
A 'Seven Eleven' convenience store on the 31st floor in Lotte World Toweris receiving much attention for its latest invention. There are no cashiers at the cash register and customers do not need any paper currency, wallets, cards, or electronic devices to pay for their goods. However, there's one thing they will need. Their very own hand.