You need commercial methods of delivering information and tracking its effect on the clients.

ECONOMIST: Who needs democracy?

Thus any fund manager tracking the index must, in effect, lend more to the countries borrowing the most.

ECONOMIST: Argentina's debt restructuring

As we started tracking this data we discovered something surprising: the majority of ripple effect website failures are caused by online advertising services, whose ads either slow down page load times or, worse, can actually prevent the entire page from loading.

FORBES: Revenue Good, Outages Bad: Ad Servers Can Slow Your Site