If you cast your minds back, you may remember Apple adding a little feature to iTunes 11 allowing you to scan your iTunes cards using the camera on the front of your Mac’s camera. Now, the exact same feature is coming to iOS 7, and although it's not new in a sense that barcode and QR reading apps have been around for a good while now, the fact that it's baked into the operating system means that developers can also make use of it, should they wish to.
