A Quick Response code is a 2D barcode that can store and display lots of information. You install a barcode scanner on your phone which uses the camera to capture an image of the QR code; your phone completes the encoded action.
The QR code can be programmed to:
- connect you to a website (where you could watch a video, leave a comment, get more info, and so on.)
- make a phone call
- send SMS (text messages)
- send email
- download contact information to your phone
- add an event to your calendar
- map an address
Quick Response codes were developed in Japan in 1994 and are in wide-spread use there and in other countries. Check out this video of passersby scanning these Disney posters with QR codes:
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