Twitter: 50 percent of tweets consumed come from 0.05% of users

"A mere 20,000 Twitter users steal almost half of the spotlight on Twitter, which now ropes in a billion tweets every week. That means only 0.05% of the social network's user base attracts attention, according to a new Yahoo Research study. From the article: 'Like findings in previous studies, the researchers for this one conclude Twitter resembles an information-sharing hub rather than a social network, with the top generators garnering huge follower tallies but not following their content consumers in return.'"