In Europe, insiders have permanent jobs with nigh-impregnable security, high wages, guaranteed pensions and a still generous welfare state that they know how to exploit.

ECONOMIST: European economies

Buzz is also able to exploit Google's search know-how to help users identify the material of most interest to them from the flood of data pouring into its networking pages.

ECONOMIST: Google v Facebook

But even as their markets in industrialised countries are closed, asbestos producers are finding huge new markets to exploit - among people who know little of the epidemic of cancer asbestos has created elsewhere.

BBC: News Online

There's the slick salesman who needs billions of dollars in capital and technical know-how from the outside in order to exploit a quadrillion cubic feet of proven natural gas reserves (50 years' U.S. consumption) and 300, 000 miles of pipeline crisscrossing Russia from the Baltic border east to Tomsk in Siberia and from Uzbekistan north toward the Arctic Circle.

FORBES: Energy Tsar

Since only families get Family Credit, and most employers do not know whether their staff have children, it is difficult for companies to exploit Family Credit by cutting wages.

ECONOMIST: Welfare reform