Business cards. (meisiya.net)
Ads for escort services. (Jan Chipchase)
Tattoos. (Kaywa.com)
Branded QR codes. (Eurotechnology.com)
T-shirts. (Jos' Blog)
Billboards. (Ogilvy)
Earlier:
Barcodes for TV Commercials
Create Your Own QR Code
3D Barcodes To Store Video
