The document discusses using QR codes to reduce paper usage at an education conference on February 1st, 2014 presented by Cameron Romney from Kyoto Sangyo University. It introduces QR codes and their various functions like linking to text, calendars, URLs, tweets, emails, maps, SMS, vCards, and calls. It also addresses how to design QR code activities if students do not have smartphones by having paper backups, extra devices to borrow, or pairing students so they can share devices.