Have you ever wondered what Twitter is really used for? Have a look at the study below from Pear Analytics.
Kelly, Ryan, ed (August 12, 2009). "Twitter Study – August 2009" (PDF). Twitter Study Reveals Interesting Results About Usage. San Antonio, Texas: Pear Analytics. http://www.pearanalytics.com/blog/wp-content/uploads/2010/05/Twitter-Study-August-2009.pdf. Retrieved Jun 16, 2010.