At mighty Amazon, the omniscient computer program that practically runs the company’s supply chain is known internally as the Mechanical Sensei. The program tracks all the items and orders coursing through Amazon’s systems. It makes millions of small decisions, such as how much of a particular product Amazon should buy, and—given the geographic dynamic of demand for that particular —where in its massive network of fulfillment centers to store it. Read the full post on Businessweek.com.