QR-code with shadow effect
Emart in South-Korea has found a way to attract more customers during lunch. Between 12 am and 1 pm they make a QR-code becomes visible by the sunlight. The consumer that schans the Sunny Sale QR-code will receive a voucher of 12 euros for home products. Sales increased by 25 percent during lunch.
Bron: Design Taxi
Website: Emart Sunny Sale