Yes, There is a new successor of BarCode which is gaining momemtum called QR code. The concept is similar but has wider set of applicability than bar code. QR is an image which can embed vital information like internet links (URL), an image, SMS, text etc. So, somebody using a QR reader, can find out the embedded web link and straight-away reach your site without even typing anything! Remeber how the cahier at retail stores do NOT type anything, they only scan bar code!