The motif of a Valentine postage stamp was selected on the grounds of an opinion survey of the general public, interconnected with the publisher’s intention to address especially the young teenage generation, who prefer the virtual world of electronic media, by issuing a stamp with a personalised coupon. Taking into account the postage stamp was designed in the form of an illustrated QR code with a link to a video clip about love. The QR (Quick Response) code was originally developed by the Japanese company Denso-Wave in 1994 to monitor manufacturing processes in the automobile industry. As the company published code...