Media-sharing sites?

What use are media-sharing sites for communities? Some communities open accounts on media-sharing sites, such as Flickr for sharing photos, so that members can share photos, videos, and maps. This provides a simple way to document community events or to collect...

Tagging and communities?

How do communities use tagging? Communities can use a set of tags as communal keywords, thus creating shared set of pointers to resources relevant to members. A “tag cloud” (the set of tags that a community uses sized according to frequency of use) can be a way to...

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