The Pension Protection Act of 2006 for the first time may allow insurers to combine long-term care policies with individual variable annuities.

FORBES: Can Your Finances Survive Long-Term Care?

How well a person recovers from stroke is highly variable and highly individual, Antoniello said.

CNN: Stroke recovery: One woman's story

Hitman: Absolution has twenty levels, made up of a variable number of individual segments, which should give you twenty hours of gameplay.

FORBES: Review, Hitman: Absolution

Using price to manage demand is a well-studied discipline in the airline and railway industries, where individual seats may be priced differently to manage variable demand into fixed capacity.

ECONOMIST: Excessive

About one-third or more of their pay is variable -- cash bonuses and SARs, tied to individual, business and stock market performance.

FORBES: Capitalism is contagious