You know what QR codes are, right? They are those funky square images that you can scan and be instantly transported to a website. But QR codes are so much more than that.
You can create QR codes that provide directions, prompt the user to make a phone call, share contact information and more. QR codes are very useful, especially to educators. But how can we easily create them? Sites such as QRStuff.com are helpful, and the Goo.gl URL shortener had them built in (but Goo.gl is going away in a few weeks).