Blogging, WTF is that anyways?

I've always considered blogging to be just a digital journal of sorts. That is very ignorant of me because there are many types of blogs and a generalization is not going to fly here (or anywhere for that matter). The world has gotten a lot more specific, hasn't it? I guess despite all the differing types of blogs (arts and crafts blogs, food blogs, movie blogs, blog blogs, etc.) I think I'll keep this one for the occasional thoughts or angst.
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Wait isn't that what Twitter is for? Damn it.