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.

QR codes are popular ways to scan menus, tickets, and apps. Here's how to do it from your Android phone or iPhone, and what the FCC says about it.

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