1. Twitter and the Library Eric Schnell Associate Professor Emerging Technologies and Services Specialist The Ohio State University http://pro.osu.edu/profiles/schnell.9
2. What is Twitter? http://www.vimeo.com/moogaloop.swf?clip_id=757146
3. Who uses Twitter? May 2009 Unique Monthly visitors = 18.2 million (up from 1.2 unique visitors in May 2008) http://blog.nielsen.com/nielsenwire/wp-content/uploads/2009/06/nielsen_pr_090619.pdf