The term colonialism is frequently used to describe the settlement of North America, Australia, New Zealand, Algeria, and Brazil, places that were controlled by a large population of permanent European residents.
QR code (abbreviated from Quick Response Code) is the trademark for a type of matrix barcode (or two-dimensional barcode) first designed for the automotive industry in Japan. A barcode is a machine-readable optical label that contains information about the item to which it is attached.
Due to the widespread use of smartphones, QR Codes are mosly used for mobile marketing purposes these days. Marketers benefit from QR Codes by being able to add digital content like websites, videos, PDFs, image galleries or contact details to printed media such as flyers, posters, catalogues and business cards.