An account of explorations into putting QR codes onto business cards in advance of #tdc12 Written by Graham Jordan. Published on Thursday, 24 May 2012 at 16:13. Qr codes and business cards.pdf business card, contact details, vCard files, NEICT, Socitm, Microsoft, Microsoft Word, Gjordan 1.0.0 Version history An account of explorations into putting QR codes onto business cards in advance of #tdc12