What do QR codes tell you?

Related questions

1. What is the future of QR codes?
2. Can QR codes expire?
3. Are QR codes safe to use?
4. Do people still use QR codes 2019?
5. What's the difference between static and dynamic QR codes?
6. Are QR codes secure?
7. Can I edit a QR code?
8. What are dynamic QR codes?
9. Are QR codes coming back?
10. What's the point of QR codes?

Tags

1. #readable
2. #store
3. #barcodes
4. #dimensional
5. #barcode
6. #response
7. #quick
8. #japan
9. #information
10. #other
11. #square
12. #stands
13. #optical
14. #nothing
15. #developed
16. #codes
17. #label
18. #machine
19. #first