Unlike in the movie, tracking monsters is not the intention with QR Codes. The QR Codes being a ideal bridge between the normal world and the internet, usage of QR Codes scanning provides a lot of traceable data while being scanned.
When starting a marketing campaign, it is very useful to measure it's impact.
While surfing on the internet free information like: browser, operating system, referrals, locations, etc is all being transferred when a webpage is visited. This information can be stored, analyzed and processed so that the campaign that is running can be fine tuned for an even bigger impact.
A QR Code on printed material, when scanned, generates access to the same information.
One of these companies is ProQr. I have checked out their demo, and found that besides tracking and analyzing ProQr offers more services when running the QR Codes through their system.
Besides linking to a (mobile) webpage; pre-formatted email, phone number, text message, Facebook and Twitter functions are also available.
One of the many features offered is changing the behavior of a single code on the fly, in your own online dashboard environment, a feature commonly known as dynamic QR Code.
For instance, you have a QR Code that returns a phone number, this code can be relinked to a webpage informing that you are on holiday for the next week. Just link it back to return your phone number when you are back.
If you are in need of a campaign in combination with QR Codes I would advice to request the free demo access to try and test all these functions and services for yourself.