And she used social media, a skill she refined with the information from the Small Business Saturday website.

FORBES: Small Businesses Leverage Opportunity to Rev Up Sales

The exhibition also includes historic objects that show the skill and ingenuity with which diamonds have been used in different cultures and traditions.

FORBES: Queen Elizabeth's Diamond Jewelry Exhibition Opens

With no mean skill, the Kazakh president, Nursultan Nazarbaev, has used the Afghan war to play off the various bidders for influence in his country.

ECONOMIST: Will intervention foster democracy?