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.

Scanning a QR code can expose you to identity theft, according to the Federal Trade Commission. Quick-response, or QR codes, which store links and other information and are readable by a ...

The trouble is, with QR codes, you may not be able to tell the difference between a malicious code and a legitimate one until you've scanned it. But there are a few ways you can avoid fakes.