Income and Twitter User Characteristics (IMAGE) University of Pennsylvania Caption Computer scientists from the University of Pennsylvania and elsewhere have linked the online behavior of more than 5,000 Twitter users to their income bracket. This graph shows salary in relation to how users display objectivity and emotion, what topics they discuss, and the ratio of followers to followees. Credit University of Pennsylvania Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.