people or organizations that regulate access, formally or informally, to information, resources or social position. News organizations, for example, are gatekeepers in that they control what news appears in public and what does not.
Found on http://www.polity.co.uk/cbs3/PDF/Glos.pdf
These are buyers of products who control the flow of information as well as making the purchasing decision. :: Cadbury (6th Edition)
Found on http://www.business2000.ie/resources/Glossary.html
Those in control of the flow of information. The gatekeeper can choose to accept or reject a piece of information for public consumption. Newspaper publishers, editors and reporters, television producers, press secretaries, government spokespersons, radio station owners and broadcasting executives have all been cited as examples of media gatekeeper
Found on http://www.pbs.org/parents/childrenandmedia/mediaglossary-terms.html
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