QR codes are just now making it to the small business market in mass, and qr codes have been around popular for what ... 4 years? While that is 'kewl' it will take a few years for major companies to pick it up, a few more years before small businesses will even think of adopting it ... and even then there will have to be a time efficient way for web designers and programmers to design out he backend for that so it will be cost effective for the consumer ... look at about 6 years before it will take off. (if ... it will take off really) Heck ... we still struggle with 75% of the USA not having 3g speed let alone the 4g or wifi prevailent enough to stream this stuff ... especially with carriers switching to max usage plans ... and just remember, 3 years ago, what were you putting on signs for web content ... think 6 years ... think a decade ago.