QR codes make it easy for people to point-and-tap to access an online menu, connect to Wi-Fi or link to any website. Learn how to create a QR code.

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.

Ever wonder what those weird black-and-white square codes are? Here's how to read them with an iPhone, a BlackBerry, or an Android smartphone.