Do people use QR codes?

Related questions

1. Are QR codes copyrighted?
2. Does Facebook have a QR code?
3. Are QR codes forever?
4. Are there infinite QR codes?

Tags

1. #fewer
2. #underlying
3. #creep
4. #people
5. #things
6. #years
7. #reminder
8. #scanned
9. #technology
10. #caught
11. #phones
12. #codes
13. #begun
14. #twice