Yesterday I gave the keynote for the Global Game Jam 2012 in Leeuwarden. Below are the slides that I promised to upload. Here is one slide about the emotional roller coaster that I always went through when I took part:

The emotional roller coaster that is the 48 hours of a Global Game Jam.

The rest of the slides is a bit more practical about how game jams and big game development is similar -and what to keep in mind: Zip of the complete Keynote