What is the purpose of scanning a QR code?

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