Large companies often surrender emerging growth markets because smaller, disruptive companies are actually more capable of pursuing them. Though start-ups lack resources, it doesn’t matter. Their values can embrace small markets, and their cost structures can accommodate lower margins. Their market research and resource allocation processes allow managers to proceed intuitively rather than having to be backed up by careful research and analysis, presented in PowerPoint. All of these advantages add up to enormous opportunity or looming disaster—depending upon your perspective.