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
Biz Stone Strategies for Instant Web Content" (New Riders, 2002), "Who Let The Blogs Out?" (St Martins, 2004),[19] and "Things A Little Bird Told Me" (Grand Central, 2014). In addition to his long running personal blog and Medium articles, Stone has published op-eds for The Atlantic, and The Times of London. Stone is an active philanthropist, and is involved in causes including animal rights, veganism, environmentalism, poverty, health and education. Stone is an advisor and contributor to DonorsChoose, a nonprofit organization helping classrooms in need. Stone lives in Marin County, California with his wife Livia and his son Jacob. He and his