QR or quick response codes are a type of 2D barcode. The employ of 2D barcodes is also known as mobile tagging since smartphones can be used to glance at the codes. QR codes were developed back in 1994. The technology has been embraced in Japan and Korea, however only relatively recently in the West. Having been encircling for such a extended age, why isn’t everyone using QR codes? More information: click to read full article…