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.
Here are some sample QR code symbols: 1  Version 1 (21Ã21). 2  Version 2 (25Ã25). 3  Version 3 (29Ã29). 4  Version 4 (33Ã33). 5  Version 10 (57Ã57). 6  Version 25 (117Ã117 enlarged to 640x640) 7  Version 40 (177Ã177).