US$5 and 2 hours to make most money? Best team didn’t even use any $ at all.
http://ecorner.stanford.edu/authorMaterialInfo.html?mid=2268
via http://sachin.posterous.com/if-you-had-five-dollars-and-two-hours-what-wo-2
Check out more videos at http://ecorner.stanford.edu/ Tones of great speakers and talks there!