Social/electronic marketers, take note: this article discusses QR codes and what might be next.
There is also an interesting interview with Jeff Hayzlett, former CMO/VP at Kodak. There are two vidoes posted here, the first is a snippet out of the second; skip it and just listen to the second one in its entirety (only 4 minutes).
We find the ability to put a logo inside is very persuasive. Hayzlett also makes an excellent point about the continued 1-to-1 correlation between quality/success in 3D and online!