At Forty (fortyagency.com), we start each day with 15 minutes of improv exercises that get our brains moving, spark our creativity, and break down communication barriers.
Melissa came up with this idea for a "Venn diagram" (icanhaz.com/venn) exercise where two people do random things and someone jumps in the middle to come up with an explanation about what they have in common.
So, we tried it! Here are the results. :-)