What makes a tweet influential? New HP Labs social media research may provide answers
http://bit.ly/jzmZLs
Today, Dr. Bernardo A. Huberman, the director of HP Labs’ Social Computing Lab, released research on the nature of user influence on social media networks such as Twitter. After analyzing 22 million tweets, Dr. Huberman and his co-authors calculated a novel measure of influence for individual users and developed a corresponding algorithm that automatically identifies particularly influential users.
PDG wrote about Twitter user influence scores here.