When everybody zigs, zag, says author Marty Neumeier in this fresh view of brand strategy. ZAG follows the ultra-clear whiteboard overview style of Neumeier's first book, THE BRAND GAP, but drills deeper into the question of how brands can harness the power of differentiation. The author argues that in an extremely cluttered marketplace, traditional differentiation is no longer enough--today companies need "radical differentiation" to create...