[Joe Waters:] I’m happy to announce the release of my new book, QR Codes for Dummies. It was a really fun book to write! As many of you know, I love the intersection of cause and mobile technology and QR Codes are right there connecting the two.
You can download a sample chapter here. http://selfishgiving.com/secure/wp-content/uploads/2012/06/QR-Codes-Sample-Chapter-PDF.pdf
Via Juhani Pihkala