Here are a few codes we generated with VectQR.com.
The first example is a simple email the developer code. It may sound weird, but having your e-mail address encoded in a QR code may be a nifty way to hide it from spammers. Download SVG for this image.
The second example is how to encode a web link in a QR code. The link in question is http://www.vectqr.com. Download SVG for this image.