Mark Hallerberg
@mhallerberg
Professor, @thehertieschool. Retweet means interesting, not necessarily endorsement.
ID:47452886
15-06-2009 21:41:29
3,4K Tweets
3,0K Followers
1,7K Following
@mhallerberg
Professor, @thehertieschool. Retweet means interesting, not necessarily endorsement.
ID:47452886
15-06-2009 21:41:29
3,4K Tweets
3,0K Followers
1,7K Following