# QR code

> type of matrix barcode (trademarked name)

**Wikidata**: [Q12203](https://www.wikidata.org/wiki/Q12203)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/QR_code)  
**Source**: https://4ort.xyz/entity/qr-code


## References

1. [Source](https://www.qrcode.com/history/)
2. [Source](https://www.qrcode.com/en/history/)
3. Freebase Data Dumps. 2013
4. BBC Things
5. YSO-Wikidata mapping project
6. National Library of Israel
7. Know Your Meme