The single greatest invention despite what everyone says isn't the printing press. It's the hammock. Even in the winter time it can work wonders at relieving stress, inducing naps, and twisting people up until they can't move a muscle. That's something no printing press I've ever met can do.
'Badadaa' or banana is as fun to say as it is to eat. I guess, I don't see it, but there must be something in the potassium rich fruit that warrants convulsions of joy.