QR Codes
A QR code is a square barcode.  They look like this:
QR Code
Users simply take a picture of the code with a Smartphone, iPad, or similar device that has a QR code reader installed, and the user is taken to websites or additional content. 
QR codes can be used in the classroom in many ways.  Check out the links below to find out more.
QR Code Generators
QR Code Readers
Ideas for the classroom
Last Modified on March 12, 2012