The QR code has become one of the iconic images of 2020. The adoption of this system for the NHS Track and Trace service revived a format that looked as if it was on the way out. Now those strangely filled squares have become commonplace adornments to almost all public places as symbolic a representation of the pandemic as face masks or those social distancing signs. How many people though know what QR stands for? And where did this system originate? Can a QR code even be considered Art?
