Cool uses for QR Codes

You’ve seen them a lot in magazines lately. In a mastermind meeting I had Friday with fellow marketers Rod Walker and James Erickson, I showed them a postcard I was mailing to promote my new book (which you can pick up here at Amazon.com). Not only did I include...

What the heck is a QR code?

I’m seeing these around a lot more and did some quick research. All-knowing wikipedia.org says: A QR Code is a specific matrix barcode (or two-dimensional code), readable by dedicated QR Barcode reader and camera phones. The code consists of black modules...