Of course I’m not talking about you...but people are, as a whole, lazy. Don’t make them think. Don’t stress them out. Make their experience smooth, painless & downright fun.
So what is remarketing or retargeting? It's a feature that Adwords offers which will allow you a "second chance" (or third, fourth, or tenth chance) to get your message in front of someone who has visited your website.
But there's one really quick and simple change you could make that would make your mobile / QR campaigns even better, dramatically improve pageviews for your mobile offer page, and practically eliminate user frustration and abandonment rates.
Heuristics (“rules of thumb”) are a great place to start your internet marketing strategy, but they're no replacement for digging into the data.