Day 223. February 16, 2011. The packed audience watching the Watson Jeopardy! final at Hewlett Auditorium in Stanford's Engineering quad. The CS Department hosted the viewing, and was prefaced by an IBM Watson researcher giving a brief talk on the design of Watson. This photo has the distinction of the highest ISO I've used so far.
EF-S 17-55mm f/2.8 IS @ 17mm, f/2.8, 1/20s, ISO 2000.