What's the point of QR codes?

Related questions

1. Do people still use QR codes 2019?
2. Can QR codes be reused?
3. What's the difference between static and dynamic QR codes?
4. Are QR codes secure?
5. Can you get a virus from a QR code?
6. Are QR codes encrypted?
7. What are QR codes used for today?
8. What are dynamic QR codes?
9. Are all QR codes unique?
10. How does QR code work?

Tags

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