The Opening Ceremony included many memorable moments -- some somber, others inspiring -- but few were as purely fun as the human pictogram performance. What, do tell, is a "human pictogram performance ...

"Pictograms are usually drawn on a white background," says Hiro-pon, "so we initially thought about performing against screens. But that would mean a lot of people would be unable to see us.

It is, however, generally agreed that these are not words in the way most people think of them. Instead, they are pictograms that represent something in the real world. Pictograms evolved over ...