Some rules you should follow when you consider using QR codes for any marketing activity:
- Don’t send the code per email! People might read it on their smartphone…
- Smartphone at the motorspeedway? No good idea!
- Do not publish QR codes in airline magazines (Internet connection)!
I’m sure you already made your mind about it. In case your boss wants you to print one in the Lufthansa magazine or do an email newsletter with integrated QR codes, send him Oliver Gassners video: