For instance, all five of P&G’s company-level core capabilities are important for the baby-care business. Scale and innovation are critical to GBS, which oversees IT and other central services. Go-to-market capabilities are obviously critical to the European MDO, but so too are consumer understanding and scale. As discussed, P&G’s consumer insights, innovation, and scale were important for Gillette. The links between the systems are crucial to create brand, category, sector, function, and overall company competitive advantage—to make the system stronger than the sum of its parts.