The QR Code is King
It is still Early doors for QR Codes and yet 78% of Fortune 500 companies are actually using QR codes in the advertising and marketing campaigns. You cannot miss them: they’re used on billboards, magazines, shops, News Papers, pound coins, telephone boxes, Facebook, there was even one in LED Lights in London’s Piccadilly Circus.
If you are not familiar with the QR Label here it is 
Scan the code above with your Smartphone and see where it takes you.
I find NeoReader to be the most responsive app.