Here's what their datacenters look like a couple years ago (with Chris DiBona): http://flickr.com/photos/ttrueman/296867981/sizes/l/
http://www.acm.uiuc.edu/conference/2007/speakers http://www.acm.uiuc.edu/conference/2008/
I remember seeing videos of Yegge's and Munroe's talks. Yegge's is worth watching.