You may have seen in the New York Times that came out in early April regarding a field trial of 2D bar codes at Case Western Reserve University in Cleveland.  The article highlights some of the challenges the school has faced with this project.  Others were less flattering in their assessment of the project.  QVC thinks it's the next killer application.  Of course they would...  (and we know I think otherwise)

I am actually going to an event in Cleveland this week to speak on a panel about this very topic.  If you are in Cleveland on Thursday and are interested in Mobile Advertsing, you can sign up here.