Guest Post by Gaurav Mishra: The 4Cs Social Media Framework
Beth's Blog: How Nonprofits Can Use Social Media
JULY 22, 2009
Some user curate user generated content, by tagging it on social bookmarking websites, voting for it on social voting websites, commenting on it, or linking to it. eBay and Amazon assign ratings to sellers and reviewers respectively, based on whether other members in the community had a good experience with them.
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