1) The document discusses the re-engineering process at Taco Bell in the 1980s to address declining performance. It aimed to refocus on customers by simplifying processes, reducing costs and layers of management, and empowering employees. 2) Key changes included limiting kitchen space to 30% of the restaurant, automating operations with new IT systems, introducing centralized off-site food preparation to reduce costs, and reorganizing roles and responsibilities across the company. 3) These process changes and new approaches like K-Minus and TACO automation helped turn Taco Bell's performance around, demonstrating how thorough re-engineering can successfully transform a struggling business.