The document discusses key changes in the 21st century economy compared to the 20th century economy. It notes that the 21st century economy values disintegration, focusing on core business functions like talent, R&D, and branding over size. It also emphasizes that the two main business functions are marketing and innovation. The document recommends embracing changes and innovation, extending operations excellence, improving customer relationships, deeply knowing changing customer needs, and integrating services in this new digital world.