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Twitter as Medium and Message
![[article image]](/system/assets/0000/4746/022011_CACMpg18_Twitter-As1.large.jpg?1298046749&1298046749 "Truthy representation")
The Truthy tool shows a graphical representation of how a Tweet propagates, with retweets in blue and topic mentions in orange. Tweets that are sent back and forth between two Twitter accounts appear as a thick blue bar.
Credit: truthy.indiana.edu
Researchers are mining Twitter's vast flow of data to measure public sentiment, follow political activity, and detect earthquakes and flu outbreaks.
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