A QR code is a type of barcode, or scannable pattern, that contains various forms of data, such as website links, account information, phone numbers or even coupons.
They store information as a series of pixels in a square grid that can be easily read with digital devices like smartphones.
QR codes have become common in consumer advertising, but they are also used in vehicle manufacturing, entertainment and transport ticketing, product and loyalty marketing and in-store product labeling.
Nowadays, QR codes are used for a wide variety of use cases. Ranging from tracking products through a supply chain to boarding a flight or downloading an app. The possibilities with QR codes are literally endless.