TW,

Yes! Great example(s) of Sharing Quality information and content with their followers, readers and future customers...

Although, so Many other related Options on similar Tools just about Everywhere...

More excellent TidBit(s) on another somewhat related Money maker...

Especially for those that Get Extremely Creative in using and Developing the business model into Serious QR related production...

Truly endless opportunities, no matter Whatever some opinions might be About QR concepts and Ideas in general...
http://unbounce.com/conversion-rate-...version-rates/

Other Goodies Too...
https://www.google.com/search?q=http...w=1708&bih=831

All the best,
Phil