They contain text, and they're great for using on posters, in magazines, on signs, buses, business cards or just about any object. This QR code contains the website address, www.metro.co.uk, for Metro (West Country): and a user having a camera phone equipped with the correct reader software can scan this image of the QR Code causing the phone's browser to launch and redirect to the programmed URL. Save the image and print it out any way you want.