Why are QR codes free?

Related questions

1. Can we run out of QR codes?
2. Do QR codes change?
3. What mean QR Code?
4. Will a QR Code work from a screenshot?
5. Where is QR scanner on Android?
6. How long does a QR code last?
7. Are QR Codes Dead 2019?
8. Do Millennials use QR codes?
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10. Can Android read QR codes?

Tags

1. #create
2. #basic
3. #codes
4. #encode
5. #require
6. #question
7. #professional
8. #allow
9. #tools
10. #directly
11. #short
12. #generation
13. #answer
14. #barcode
15. #static
16. #dynamic
17. #whereas
18. #subscription
19. #ongoing