All about QR

1. QR codes originated in 1994 for tracking car parts.

2. "QR" stands for "Quick Response."

3. Widely used in marketing, education, and healthcare.

4. 2D codes with a pattern of black squares.

5. Popularized with smartphone QR code scanners.

6. Built-in error correction for data recovery.

7. Stores numeric, alphanumeric, binary, and Kanji characters.

8. Used for contactless menus during the pandemic.

9. Artists use QR codes for creative expression.

10. Integrated into AR experiences for interactive content.