Very cool. I just learned about something new, QR and alternate barcodes. I had noticed these throughout the game and didn't think there was a way to decode them. To my surprise there are a couple of free decoder apps for the iphone, so if I see any more of these in game I'll be prepared to decode them! DLanyon 10:00, December 12, 2009 (UTC)

• Once I found these, I started paying much more attention to the walls and bulletin boards. Four of them decoded pretty easy for me, but all the software I tried (including software on my phone) refused to decode the "Marcus..." one. I had to resort, much like the writer of the linked-to-blog, of recreating the barcode pixel by pixel. Hopefully additional DLC will include more QR Codes -- I didn't see any in the Zombie DLC. --GargoyleMT 14:22, December 12, 2009 (UTC)