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Royal Mail Adds Digital Content to Snail Mail Stamps

The United Kingdom's Royal Mail is offering a unique take on digital postage. Instead of just using the tech to quickly print pre-paid shipping labels, the national mail service is issuing a series of commemorative stamps, embedded with special codes, similar to QR codes. When an Android handset or an iPhone running the augmented reality app 'Junaio' reads the stamps, a short film of actor Bernard...

In a Nutshell: What Are QR Codes?

What is a QR Code? At its most basic, a QR Code is a barcode on steroids. They're used for encoding information in two-dimensional space -- like in the pages of magazines, in advertisements and even on TV and Web sites. They were originally used to track auto parts, but have become popular (especially in Japan) for much broader, often commercial purposes. How is it different than a...