I'd like to see Interesting math concepts, correlations, and ideas similar to what are in the book.  Ice breakers such as the problem in which 3 men rented a room for $30 and were to recieve $5 back, but the valet only returned $1 each and kept the remaining$2.  But  9 x 3 = 27, plus 2 = $29!;  what happened to the missing dollar?  Loved it.

Is this a good place to upload the mathematical proof of LOVE = EVIL?