Installing new apps for your Android device is easy: launch the Android Market application, search for an app and install it. However, with a barcode or "quick response" scanner app, you can also ...

Web-based QR code scanners are another handy option for scanning codes with a laptop camera. Just visit a website that ...

If you're not using them now, you may be soon. Here's why -- and how to scan them in both Android and iOS. Rick Broida is the author of numerous books and thousands of reviews, features and blog posts ...