http://community.eons.com/blogs/index/17146
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What’s a blog?
A blog is like an online journal that allows somebody to share their thoughts with the public in the form of blog posts. This page shows recent posts on whatever topics are of interest to the author.
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I’m not so sure that this is the best definition. But, it’s a good start. Currently an internet blog is a collection of DIKW of one or more people around a topic or theme.
I would assert that when it is done by one person alone. It becomes a “personal web log”, a plog! It then is an online journal of sequential musings, ramblings, rantings, or opinions about one or more topics. It does have privacy issues. For example, in my blog, I say I am “lazy”. Does that make it so? How would a potential employer, family member, friend, or acquaintance react to something in my plog? Can I assume an identity in a plog that isn’t really me? Remember Ghandi’s thought about “departments of life” and spillover. Interesting?
Reinke Faces Life 