If you hadn't seen our post on how to use QR Codes, click here
Today, on my way into work, I found a great example of a QR Code being used on a sign for a specific property. Take a look. It's as easy as pointing and clicking and prospective buyers are right at your property information.
Here's an example of a direct mail postcard (which arrived on my front porch last week) and nicely uses a QR code. See small black and white box within the picture of the sun room below.