Wikipedia has a nice description:
A QR code is a specific matrix bar code (or two-dimensional code), readable by dedicated QR bar code readers and camera phones. The code consists of black modules arranged in a square pattern on a white background. The information encoded can be text, URL or other data.
On TV, on paper even on radio you always have references to web sites.
Currently only the main page of the web site is shown everywhere it makes sense.
If you have an advertisement about a product, it’s not possible to provide a direct web link to its dedicated page on the web because the URL (web link) will be too long, no chance the customer will remember it.
QR code is solving this problem.
QR code can be
- GPS position
- visit card
- web link
- free text
With QR codes, customers can have direct link to
- a product description
- an event details
- a company web site
- an online newsletter
- a contact full address
- a promotion, a discount, a special offer
You just need to scan the code with your smart phone and a bar code reader application.
In few second you will have a link you can click on, or a new contact in your contact list.
There are bar codes absolutely everywhere. In addition to them you can also have QR code
- on your visit card
- a scan and the contact is in your contact list.
- on door of every shops
- website of the shop; full address details, hours
- on fliers
- contact information, dedicated web page related to the event or product
- on printed documents
- on any products
- in your email signature
As soon as marketing people will understand the power of QR code, you will see them absolutely everywhere.
Mobile devices with bar code reader are already more than common.
Free QR Code Generators on the web
In a restaurant menu
Every item can have its code so you can have a nice multilingual description online.
Instead of several notices everywhere, a single code that link to a detailed description, how to wash it explanations, similar models, tips …
On any devices
The code could lead to the page dedicated to the device with details, warranty, support, comments from the web community…
With the picture of the house or the flat and it’s basic description you can have the GPS position in the QR code and then directly check on Google map where it’s located with schools and shops all around the place.
While the nice girl is talking a code is shown in a corner, a scan and you have the details of the news with related articles photos and videos.