For broad marketing it's nonsense -- the early premise was that it was like some sort of exclusive code. For specific marketing, however, it can be great. I thi

For broad marketing it's nonsense -- the early premise was that it was like some sort of exclusive code. For specific marketing, however, it can be great. I think QR codes on real estate signs (bringing you to the full property page) are brilliant. I've noticed manuals are often coming with them now, linking to the electronic version. Again, awesome. They have tremendous utility but it isn't surprising that people try to overextend them.