qr codes

Breaking news! Facebook could be introducing QR codes to profile pages soon. These codes, for those of you who don't know, are a bit like the barcodes you find on products you might buy in your local shop, but are capable of holding more complex information such as a website address or a short message. Interestingly the functionality seems to have disappeared now, but after seeing this tweet (which pointed to some more information available at: http://www.technicavita.org/social-tech/mobile-sites/introduction-to-mobile-barcode-qr-technology.html):