QR codes have been with us for a long time now, and after passing through their Gardenesque hype cycle of inappropriate usage, have now settled down to be an important and ubiquitous part of life.

This year marks the 30th anniversary of the QR Code, the ubiquitous scanning tag developed by a Japanese engineer that is used in every facet of modern commerce. As the technology evolved ...

But Google had QR codes since 2009, I embedded a video of how slow it was to scan a QR code back then. Then in 2010, Google let you print your own QR code and then 2011 Google removed it.