QR code stands for Quick Response code. It is a two-dimensional barcode that can be scanned using a mobile device's camera to quickly access information, websites, or applications. Originally designed for the automotive industry in Japan, QR codes are now widely used in various sectors, including marketing, payment processing, and event ticketing. Their accessibility and efficiency in storing and transmitting data make QR codes a popular choice for enhancing user interaction and experience in a digitally connected world.