The best graph paper notebooks are helpful for sketching, calligraphy, bullet journaling, creating architectural drawings, ... Each page has a QR code in the corner, ...

Summary. QR Codes are not in widespread use in the US yet, but all the technology parts are in place and ready to be exploited. The platform is mature, it’s an ISO standard, and is being ...

Fear not, for [Guy Dupont] and his QR code menu printer are here to save the day. Yes, that’s right — it’s a lunchbox-sized printer designed to spit out a paper version of a digital menu.