Switzerland. Canton Ticino. Lugano. On the wall of a construction site, a graffiti with Jeff Bezos and a QR Code to his Wikipedia page. Jeffrey Preston Bezos (born January 12, 1964) is an American industrialist, media proprietor, and investor. He is best known as the founder, CEO, and president of the online retail company Amazon. The first centi-billionaire on the Forbes wealth index. QR code (abbreviated from Quick Response code) is the trademark for a type of matrix barcode (or two-dimensional barcode) first designed in 1994. QR codes often contain data for a locator, identifier, or tracker that points to a website or application. A QR code uses four standardized encoding modes (numeric, alphanumeric, byte/binary, and kanji) to store data efficiently; extensions may also be used. 11.05.2020 © 2020 Didier Ruef