If you want to read more about the ICFP Programming contest, you should have a look at our report about it.
You can order a t-shirt with the after picture on the back, and one picture from the arrival sequence on the front from cafepress, or create your own t-shirt using these materials (4.3MB).
If you want to see the presentation we gave about the contest at ICFP 2007, have a look at our video (with an explanation about how to solve the contest problem starting at 18:00, and Endo appearing at around 1:12:00).
The question we got after the contest was:
How much time did you spend creating it?We have different answers to this question, but probably the one that comes closest to the truth is: as much as we enjoyed creating it.