Jack Dorsey days, Dorsey worked occasionally as a fashion model. By age fourteen, Dorsey had become interested in dispatch routing. Some of the open-source software he created in the area of dispatch logistics is still used by many taxi cab companies. Dorsey attended the University of Missouri–Rolla for two-plus years (1995–1997) before transferring to New York University, but he dropped out in 1999, one semester short of graduating. He first came up with the idea that he developed as Twitter while studying at New York University. While working on dispatching as a programmer, Dorsey moved to California. In 2000, Dorsey started his
Social Media Examiner Social Media Examiner Social Media Examiner is a U.S.-based media company, founded by Michael Stelzner. It publishes online magazines, blogs and podcasts about how business people can use social networks, on two websites: SocialMediaExaminer.com and MyKidsAdventures.com. The online magazine publishes original research, has a weekly podcast show and oversees multiple communities for social media marketers. MyKidsAdventures.com publishes information on creative activities, and is aimed at parents and grandparents. In 2006, Michael Stelzner published his first book, "Writing White Papers: How to Capture Readers and Keep them Engaged." He founded Social Media Examiner with the stated goal of providing free how-to