Even if you have never used a QR (quick response) code before, you have probably at least seen one. They look like what you see in Figure 10-7.
Hopefully, you have found a free application on the Android Market that will allow you to scan the QR code that you see here. You will find that it is a link to the URL for
www.apress.com/. My Droid X phone allows me to easily share about Apress’ web site via e-mail or SMS.
A QR code ...