QR code is short for ‘Quick Response‘ code (they can be read quickly by a cellphone). That’s what’s so great about them.
QR Codes make it easy for a person to perform a desired action by scanning a code on their smartphone.
They come to us from Japan, where they are very common. They are used to take a piece of information from transitory media and plug it in to your cell phone. You may soon see QR Codes in magazine adverts, on billboards, web pages, or even on someone’s t-shirt. Once it’s in your cellphone, it may give you details about that business (allowing users to search for nearby locations), or details about the person wearing the t-shirt, show you a URL which you can click to see a trailer for a movie, or it may give you a coupon which you can use in a local outlet.
The reason why they are more useful than a standard barcode is that they can store (and digitally present) much more data, including URL links, geo coordinates, and text. The other key feature of QR Codes is that instead of requiring a chunky hand-held scanner to scan them, many modern cellphones can scan them. The full Wikipedia description is here.
What can you do with a QR Code?
- Show text
- Link to a website
- Show a telephone number
- SMS someone
- Display an email address
- Show my contact details
- Schedule an event in a calender
- Show Google map destination
- Pay via PayPal
- Take the person to a link in iTunes (i.e.: iPhone App)
- Play a YouTube Video.
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