"Some women became hooked on the espionage itself - the excitement and intimacy of a shared secret - and they could be directed towards another partner if the first had to vanish for security reasons, " says Wolf.

BBC: Spy in the house of love

Then Newt Gingrich shared a secret: if you say you might run, people will listen to your ideas.

ECONOMIST: Mitch Daniels

The iconoclastic Apple CEO shared his secret for success with Stanford University graduates last week in a surprising commencement speech.

FORBES: Ten Must-Read Tech Stories

In March, Silverman shared his secret to success with Forbes.com: "I love television, I love content and I love programming, " he said.

FORBES: Save The Peacock

The pharmaceutical industry has long worried about security in this area, given how much secret corporate information is shared with employees at the agency.

WSJ: FDA Chemist Charged With Insider Trading

To handle the volume, IBM changed the Victoria's Secret site from a shared network infrastructure to a dedicated one, said Brian Ditzler, a spokesman for IBM Global Services.

CNN: Victoria's Secret knows ads, but not the Web

He shared with me his not-secret-recipe for content marketing success.

FORBES: Move up http://i.forbesimg.com t Move down

This was good for my secret because I was comfortable with such language, and he and I shared sumptuous ideas over fine wine or walking through the Central Park Zoo smelling the chilly fall air.

FORBES: Magazine Article

The foreign secretary said in a Commons statement on 10 February 2010 that he had fought to prevent the release of secret information on the former Guantanamo Bay detainee to defend the "fundamental" principle that intelligence shared with the UK would be protected.

BBC: Torture papers statement