Introduction to QR Codes

QR codes have revolutionized our social lives since their invention in 1994. These two-dimensional barcodes offer convenience and efficiency, as seen in the rise of Alipay, a popular payment app that relies on QR code scanning. The technology has also streamlined digital advertising by replacing lengthy URL entries with quick scans. However, users must consider potential drawbacks: reliance on mobile devices and internet connectivity can be limiting. Additionally, concerns about privacy and data tracking arise when using QR codes for online orders or transactions.

Source: https://dev.to/tf4793/introduction-to-qr-codes-2deg