Charles 

@chezchaz
Charles is chairman of Nature and Culture which has protected over 26 million acres in South America. In business: invented the Digital Stock image model sold to Bill Gates and the Amplifire learning model sold to Polaris.
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Charles’s Substack
By Charles
My fascinations with the world concern society, technology, ecology, economics, and politics. It's the STEEP model, often used for business planning to visualize the world in which your business will live or die.