What's at the bottom of the river?

by Seth Godin
I have no idea if the bottom of the Hudson River is smooth or not. I know that on a calm day, the surface is like glass. One reason to lower the water level of a system you count on is to see what's messing things up. You can discover what happens when you operate without slack, without a surplus... you want to know what's likely to get in the way...Read the full article