
The entrepreneurial mind abhors a vacuum. Market failures, unmet demand, even the maddening lure of a blank napkin--all beckon as explicit invitations to invent. What defines an entrepreneur (as well as an entrepreneurial organization) is that relentless problem-solving approach, not the specifics of the problem itself.
We typically associate such ingenuity with the transformation of problems into lucrative, shareholder-enriching companies. But the entrepreneurs you'll meet in this story are responding to a different sort of void. It could be the absence of medical diagnostic labs in the developing world, which is driving one organization to create a portable, disposable lab that fits on a plastic card. Or it's the empty shelves of a Nepalese children's library, which inspired another man to start an education juggernaut, building nearly as many new libraries each week as Starbucks opens latte-slinging storefronts.
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Also see World Resources Institute Article.