Quick response (QR) codes allow hotels to engage customers in new ways. Hotels can use QR codes to provide information to guests, such as dining suggestions or things to do. They can also use QR codes to offer discounts to customers who scan codes found in print advertising or around the hotel. Additionally, QR codes help hotels promote sustainability by allowing contactless check-ins and digital documentation of customer activity. As QR code technology develops further, it will continue to help hotels strengthen customer relationships and marketing efforts.