Water towers, Seth Godin
On the top of many apartment buildings (and on a hill in many towns) you’ll find a water tower, a large wooden or metal container holding tons of water.
It turns out that a pump that slowly and consistently pumps water uphill is way more efficient than the high-powered, high-capacity pump you’d need to meet spikes in demand. By using gravity to assist during times of heavy load, the consistent and more efficient pump gets the job done by planning ahead.
We all need a water tower somewhere in our work.