In this long-awaited book from the world's premier brand expert and author of the seminal work Building Strong Brands, David Aaker shows managers how to construct a brand portfolio strategy that will support a company's business strategy and create relevance, differentiation, energy, leverage, and clarity. Building on case studies of world-class brands such as Dell, Disney, Microsoft, Sony, Dove, Intel, CitiGroup, and PowerBar, Aaker demonstrates how powerful, cohesive brand strategies have ena ...