An anonymous reader submitted a link to a CNN article where you can read about some wacko that broke the world record for spinning. He spins in a 5 meter circle for hours on end. He gets to be on CNN. It takes all types to make the world go round.
I've never been canoeing before, but I imagine there must be just a few simple heuristics you have to remember... Yes, don't fall out, and don't hit rocks.