free tool that allows you to create QR codes that when scanned will play a short audio message. To create your message and QR code you can record a voice message by clicking the microphone icon on QR Voice or you can type in your message. Either way you're limited to 100 characters. QR Voice is offered in 38 languages.
You can subscribe to this site and receive analytics and QR code editing when using the URL shortner.
Each element of the Periodic Table is a QR code and connects to video upon scanning.
Create and track your QR code usages.
A nice collection of ways to use QR codes creatively.
Coolcatteacher talks about using QR Codes in school.
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