QR Codes Directing Traffic A QR code (quick-response code) is a type of two-dimensional matrix barcode, consists of black squares arranged in a square grid on a white background which store data and can be read by imaging devices (such as cameras). Next time you encounter a QR code, appreciate the blend of functionality and design behind this little square! 🎨🔍 Applications and Uses: Mobile Tagging: QR codes are widely used for mobile tagging. When scanned, they can: Display text to the user. Open a webpage on the user’s device. Add a vCard contact. Connect to a wireless network. Compose an email or text message. Marketing and Advertising: QR codes are placed on products, posters, and advertisements to provide additional information or…