Are QR codes still relevant?

Related questions

1. Can QR code be copied?
2. Does Android have built in QR reader?
3. Does Samsung have a QR reader?
4. Why QR code is important?
5. What are the benefits of QR codes?
6. Can barcode scan QR code?
7. Can QR codes be encrypted?
8. Does this phone have a QR code?
9. Who develop QR Code?
10. Does QR code need Internet?

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7. #camera
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10. #still
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12. #technology
13. #users
14. #native
15. #development
16. #interact
17. #popular
18. #apple
19. #today
20. #recently
21. #reader