Web 2.0 Tag Clouds

The third difference and yet another distinguishing characteristic of Web 2.0 sites is how tags and collaboration are used to rank content. Rather than editorial or mathematical determination, Web 2.0 tools use the popularity of tags among the community to establish ranking and categorization. The results are often displayed using an interface called tag clouds. Most Web 2.0 tools list out the related tags that have been used to describe content. But these lists are not displayed how you might think. Rather, they're listed in tag clouds that use type color and size to indicate the popularity of various alternative tags. The image to the right shows the results for the tag "collaboration" in del.icio.us. Other tags like "web2.0" "marketing" "longtail" and "tags" offer other associated terms to explore. And since the resulting site lists also show how many others have bookmarked each site, a degree of authority or relevancy is established.

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