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
Rez Biz Rez Biz on the first 6 issues. He also designed the logo for the magazine. Rez Biz Rez Biz is the title of an American monthly magazine initially distributed in Arizona and New Mexico. The magazine is targeted to Native Americans who are interested in running their own businesses and seeking success stories. Its goal is to improve the economic living conditions of Native Americans. "Rez Biz" was founded in 2005 by George Joe and Michael Clani, both members of the Navajo Nation. The first print run of Rez Biz magazine was 25,000 copies in October 2005; over the next