Harold Pollack
@haroldpollack
University of Chicago professor, RTs not equal endorsement. Index card book at:
https://t.co/mK4r6C7UwR https://t.co/EF8lQfRDfZ
ID:99297884
http://ssascholars.uchicago.edu/h-pollack/ 25-12-2009 14:45:28
106,7K Tweets
28,9K Followers
3,3K Following