Because it is a common practice for bloggers to use a special kind of hyperlink called a trackback to reference other blogs in their writing,blogs are collectively referred to as the trackosphere.

Question

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Blogs are collectively referred to as the "blogosphere," not the "trackosphere." Trackbacks are a specific feature used to notify other blogs of references, but they do not define the entire blogging community.

Because It Is a Common Practice for Bloggers to Use