Narrowcasting has truly arrived in the chamber music world.

Narrowcasting has traditionally been understood as the dissemination of information (usually by radio or television) to a narrow audience, not to the general public.

"Books are the ultimate narrowcasting," he said.

So-called narrowcasting has splintered audiences into smaller and smaller slivers.

This poses the question: Is it ethical to implement informational narrowcasting (only feeding citizens their preferences)?

The arrival of YouTube in 2005 exploded the notion that a few hundred terrestrial, cable and satellite channels represented real narrowcasting.

A new type of narrowcasting is evolving in the form of interactive narrowcasting.

President of Narrowcasting, chairman emeritus of Neiman Marcus.

Interactive narrowcasting enables shoppers to influence the content displayed via narrowcasting.

Yeo said the government would focus on monitoring internet communications that broadcast material to millions of users rather than the "narrowcasting" of private communications between individuals.

Such "narrowcasting," as this targeting process is called, may allow marketers to ignore minority members in advertising designed for their broader market, which the advertisers tend to think of as white.

AND NOW, NARROWCASTING Long Island high school radio stations offer a refreshing view of the communications media.

The BBC has managed to use some archive material without coming into conflict with the unions, and David Attenborough's Video book of British Garden Birds is a good example of what narrowcasting can offer.

The term "narrowcasting" can also apply to the spread of information to an audience (private or public) which is by nature geographically limited-a group such as office employees, military troops, or conference attendees-and requires a localized dissemination of information from a shared source.

But that was long ago, before the Age of Narrowcasting, when market research and changing economics split the pop-music dial into a veritable asteroid belt of specialized rock formats: hard rock, soft rock, classic rock, modern rock, pure rock, adult rock, album rock and on and on.