Searching for "Learning 2.0 in Blog posts, tags, and in the Blog directory returned very different results. I got 2620 hits when searching blog posts, 485 hits in tags and 430 in Blog directory. This is understandable: the blog directory search registers a hit each time the phrase "Learning 2.0" appears in a blog. The tag search requires that the owner of the blog had tagged their blog with the phrase and hits returned in the Blog directory search must be on the topic "Learning 2.0" rather than just having the phrase mentioned somewhere in the blog.
I'll definitely use these search options if I'm trying to find information specifically from a blog. I can see how it will be very useful if, as often happens with me, I'm trying to find something that I read in a blog that I didn't tag or otherwise save but that I want to read again.
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