I gave a talk at the GDC this year, this time with a more technical bent than the usual business + metrics talks that Daniel and I have established an annual tradition of delivering.

The slides are available here for the curious and indulgent:

http://samskivert.com/work/2009/gdc/WhirledTour.pdf

I dare say it seemed to go over well. At least that was my impression and I have no intention of disabusing myself of it.