Clayton, on his first trip to the US, had the time of his life at the Office Developer Conference. In fact he won the major conference prize of an Guitar Hero guitar signed by the keynote speaker, Bill Gates himself!
Clayton explains all here:
http://claytonj.wordpress.com/2008/02/15/what-a-week-in-silicon-valley/#comment-7070
I have a feeling this is only the first 15 minutes of Clayton's fame :-)