Have you noticed those funky square pixellated graphics that are starting to appear on products, id tags and print advertising?
These odd blocks are called QR codes and are a way to embed information such as web address, contact info or text message in a way that can be read by a smart phone scanner or even by a website.
Fast Company had an article about them called “What Business Card, Just Scan my QR Code” about how QR codes are used on nametags at SXSW to provide instant access to attendee social sites, share contact info and web urls. The article links to the blog post below with more specifics about how to use them and what they are:
This post is an extension of three previous posts in which using a mobile device friendly landing page, QR Code size and content were discussed. If you see any additional examples, good or bad, please share them in a comment below.