http://www.scienceprogress.org/2010/12/ ... rry-again/
For the greatest part of human history, none of those distinctions made any sense. Most of communication contained information about what is new, some information about the way the world works, and a phatic component. Knowing how the world works, knowing what is happening in that world right now, and knowing if you should trust the messenger, were all important for survival.
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The two domains of communicating about what is new and how the world works – journalism and science – have fused again. Both are now starting to get done by teams that involve both professionals and amateurs. Both are now led by personalities who are getting well-known in the public due to their phatic communication in a variety of old and new media.