Why we use QR code?

Related questions

1. Do I need an app to scan a QR code?
2. What is Android device owner mode?
3. Where QR codes are used?
4. How is QR code created?
5. What is QR code and how does it work?
6. Where are QR codes used?
7. What is QR code setup Android?
8. How much data is in a QR code?
9. Do QR codes have to be black?
10. Why did my QR code stop working?

Tags

1. #phone
2. #response
3. #media
4. #feature
5. #requiring
6. #other
7. #piece
8. #information
9. #transitory
10. #instead
11. #modern
12. #codes
13. #quickly
14. #scanner
15. #phones
16. #chunky
17. #short
18. #quick