By Zack Levine, Posted in Gadgets and Technology
In 1994, a Toyota subsidiary designed a new type of bar code in order to track car parts called the quick response code. A two-dimensional bar code featuring black modules in a square pattern over white space, the QR code is designed for quick decoding. It can hold text, URLs, links to compose messages, and other data and has much more storage space than the traditional linear bar code. For years, it was a useful but limited tool.
With the invention of the smartphone, everything changed.
Now, the QR cod... read more.