Going Lean sets aside the notion that efficient operations and new innovations are only possible when business is steady and demand is growing. Instead, companies must learn that disruption and loss need not undermine their results. Following the lead of a new breed of companies - Toyota, Wal-Mart, and Southwest Airlines - a new, powerful, yet unexpected mindset is reshaping the rules for business. By using "Lean Dynamics" - based on the now-famous Toyota Production System - success can be the outcome.