QR codes.
QR code (abbreviated from Quick Response Code)
is the trademark for a type of matrix barcode (or two-dimensional bar code)
first designed for the automotive industry in Japan.
A QR code is read by an imaging device, such as a camera,
and formatted algorithmically by underlying software using Reed-Solomon error
correction until the image can be appropriately interpreted. Data is then
extracted from patterns present in both horizontal and vertical components of
the image. As a variety of industries utilize the QR code today, the
applications for use can vary from product tracking, item identification, time
tracking, document management and general marketing purposes.
URLs aided marketing conversion rates even in the
pre-smartphone era but during those years faced several limitations: ad viewers
usually had to type the URL and often did not have a web browser in front of
them at the moment they viewed the ad. The chances were high that they would
forget to visit the site later, not bother to type a URL, or forget what URL to
type. Friendly URLs decreased these risks but did not eliminate them. Some of
these disadvantages to URL conversion rates are fading away now that
smartphones are putting web access and voice recognition in constant reach.
Thus an advert viewer need only reach for his or her phone and speak the URL,
at the moment of ad contact, rather than remember to type it into a PC later.
How to make a QR
code image for an URL.
1) Go to http://www.qrcodemaker.co.uk/
You should see the following page:
3) Paste the URL into the text area in box number 2:
4) Now click the 
button.
button.
The grey QR code image in box number 3:
5) Now select the size you want your QR code to be from box
4:
6) And finally left click on the ‘Download Image’ icon and
click save on the window that opens:
And then choose which folder to save it in.
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