Crucial details, such as pricing information, retail and carrier partners and geographic availability, are often still in flux at the time of these pre-announcements.

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The law will remain in a state of flux for some considerable time yet.

BBC: NEWS | UK | Naomi Campbell wins privacy case

In a time of flux, it was natural that some Asian nations should seek to redefine themselves.

CNN: A Year of Redefinition

The potential move of both Ms. Couric and Mr. Lauer from their established perches comes at a time of flux for the TV business.

WSJ: Katie Couric Explores Show With Matt Lauer

The story is set in the Bronx, New York in 1964 just after the Kennedy assassination and on the cusp of the civil rights movement -- a time of social flux.

CNN: Streep leaves no 'Doubt' with 'tooth and nail' acting

Keeping the ratings-magnet in house and happy is important for the Comcast-owned network, particularly at a time when its own future is in flux care of the looming NBC Universal acquisition.

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In the Free World it's been another momentous year of dynamic capitalism, with corporate giants under siege in the marketplace or in financial flux: General Motors, Ford, Fannie Mae, Merck and others in Big Pharma, Siemens, Time Warner, Coca-Cola, Sony and Volkswagen.

FORBES: Faces in Sad Places