As some of you may know - the CDC recently invited me to go and visit them in order to talk about how Plague Inc. models the spread of infectious disease and how games can be used to engage with the public.
http://www.theverge.com/2013/3/9/4080666/plague-inc-game-developer-center-for-disease-control-talk
This was a huge honour and I had a wonderful time there. You can read a full write up on the CDC website here: