| http://www.w3.org/ns/prov#value | - f communication, which is usually clear in face-to- face interaction, is not given immediately, if at all ??? Social media make it easy to repeat communication: by posting, sharing/forwarding, embedding, linking, and so on ??? Interface elements for use in voting, rating and ranking, sharing, and more have expanded the kinds of communication and forms of interaction that social media systems can u
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