Snyder, Wenger, and McDermott suggest that practice-based learning communities have been in existence since the dawn of man. They go on to claim that knowledge has become the key to success and that it is simply too valuable of a resource to be left to chance. Therefore, companies need to understand precisely what knowledge will give them a global competitive advantage. How can organizations best cultivate communities of practice? Why? How can they best determine what knowledge will give them a global competitive advantage and what knowledge will not? Why?