The Economist has a feature on New Media and includes in its survey an article on blogging which it describes as "participatory media".

Coincidentally Joe Gratz has published a summary of presentations at the Blog Law conference just held in San Francisco. It complements the views of PR firms and journalists I referred to previously in respect of corporate blogging.

I don’t think you can pigeon hole blogging: it’s a platform capable of being used in many ways.