A QR Code can have many different uses, but is now widely used to transmit links to websites and blogs smartphones equipped with a camera and software for reading bar codes.
One of the easiest ways to generate one of these codes is to use an online generator of QR Codes, as they can be found in webmasterhandytools.com
This generator can generate code with the following features:
Link to a site
Add to favorites
Link to email
Push email
Geographical position
Link to Google Maps in a coordinated
Link to video on YouTube (iPhone)
Make phone call
Sending SMS
Creating business cards in vCard format and meCard
Search on Android Market
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