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.
If you are already an ACM member, Communications subscriber, or Digital Library subscriber, please set up a web account to access premium content on this site.
Become a member to view this article and take full advantage of ACM's outstanding computing information resources, networking opportunities, and other benefits.
Get full access to 50+ years of CACM content and receive the print version of the magazine monthly.