There are three different ways to scan QR codes on your iPhone, each with its own advantages. Here's how to use them and why you might want to pick one over the others.

QR codes can house a whole lot of data, from the URL of a webpage or service, to where to directly download an app. Here's how to scan them.

Apps Scan.me solves the QR code dilemma by delivering a simple, beautiful experience February 23, 2012 - 9:21 am It would be easy to say that QR codes kind of suck and leave it at that.

Quick response codes, QR for short, can be used to store many different types of information. For instance, they can store a phone number, a Web address, and even a map location.