What are your favorite resources about how collaboration — in a large or small group of people — works?
And yeah, the answer probably isn’t “report Michael Jackson dead and see what happens to the Wikipedia pages.”* Though, that works too.
* Answer: load spike. Slashdot ain’t got nothing on the King of Pop. See: http://techblog.wikimedia.org/2009/06/current-events/ for fun analysis; and my own Signpost story