QR Basics   Q-What? What are QR codes?  QR Code  Have you
noticed these weird spotty square images showing up in Olathe?
They are called QR codes (for Quick Response) and you are going
to start seeing a lot more of them.  These codes, also known as
two dimensional (2D) bar codes, came from Japan where they have
been used to quickly scan parts in automobile factories. They
are called 2D because they can be scanned either side to side or
top to bottom. Normal bar codes can only be scanned side to
side.  They quickly became popular when people realized they
could be used to create a hardlink, a link from the physical
world to the internet. They spread to Europe and are just now
starting to appear in the United States.  Smart phones can read
these bar codes with specialized software (apps) installed on
the phone. You take a picture of the code with your cell phone
camera, and the QR code software interprets the website and uses
the phone’s network to take you to the internet address hidden
in the code. This proce