I recently got an email at work with QR code as part of the email signature.
It made me wanting to have my own QR code too.
I've tried numerous free online QR code generating site.
I find this one to be the best:
First of all, it has a lot of templates...
And the most important part for me... I can change the colour of the QR code to match my current email signature. :D
Here is the QR code for this site:
What is QR code?
A QR code (short for Quick Response) is a specific matrix barcode (or two-dimensional code), readable by dedicated QR barcode readers and camera phones.