Some of the pioneer user stories are amazing, especially given the wild swings in value the currency has experienced.

FORBES: Sorry Bitcoin, IRS Gets Reports

The currency, which launched in 2009 and has gone through some wild spikes in value this spring, has attracted the attention of established companies and venture capitalists alike.

WSJ: U.S. Alleges $6 Billion Money-Laundering Operation at Liberty Reserve

This led to wild swings in the value of Ecuador's bonds and of derivatives linked to them, and raised suspicions of deliberate market manipulation.

ECONOMIST: A setback for Rafael Correa

The first is Facebook, the second Apple - and these wild gyrations in their value will do nothing to convince sceptics that there is anything rational about stock markets.

BBC: Facebook, Apple - and the psychology of markets

Be careful what you wish for: The Nasdaq doubled in a year and then surrendered 25% of its value in one wild week last month.

FORBES: Fear, Greed And Technology

America uniquely bridges across cultures, tolerates risk, explores novel combinations and celebrates wild ideas that may someday turn into improbably high-value enterprises.

FORBES

Questions about the value of the mortgage-backed securities have caused some wild gyrations on Wall Street.

NPR: Banks Pay the Price for Risky Mortgage Bets

"The lease residual-value risk in general remains Ford Motor Credit's biggest asset-quality wild card, " says Glenn Reynolds of the credit analysis firm CreditSights.

FORBES: Residual Risk