Korean Emart recently placed 3D QR code sculptures throughout the city of Seoul that could only be scanned between noon and 1 pm each day — consumers were given discounts at the store during those quiet shopping hours.
Very, very smart.
Photoshop Timelapse: Saliva Typography (by sheyny5)
Film clip about Dutch graphic designer and banknote designer Oxenaar
Ootje Oxenaar (by spykeroles)