“…These are not limited to but include shopping, marketing and advertisement to reinforce brand presence [16][17][18], transport and logistics, content accessibility in teaching (education) [4,18,19], architecture, tourism, augmented reality, mobile content distribution, gaming authentication and security sensitive operations [20,21], software development for device pairing, in research as a means for linking physical spaces with digital information [20], and mobile payments as user interface enablers to auto-fill forms for mobile payment applications [22]. They have also been used in educational libraries to label reading resources [23,24]. Some academic journals add a QR code on the cover of the journal, or on the title page or at the end of each article.…”