Instagram – Instagram users can scan Nametags, a form of QR code, to quickly follow someone. Facebook – The Facebook app uses QR codes for friend requests and event check-ins.

Your Android or iPhone can probably already scan QR codes. Here's how to do it no matter what phone you have.

QR codes aren't going away anytime soon. Here's how to make your own.

Not all smartphones require a third-party app to scan QR codes. Kurt "CyberGuy" Knutsson shows you how to scan codes using iPhone or Androids.

TECH How to scan a QR code with your iPhone or Android phone (no apps needed) QR codes are those pixelated squares you see in restaurants, advertisements, stores, food packaging, business cards ...

QR codes are a great way to relay a lot of information in a small space and your Android phone has multiple ways to read them. Here's how to do it.