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
Jelly (app) launching a native mobile app called Jelly. On April 1, 2013, Biz Stone wrote the company's first blog post, giving only very vague information about the product. A "TechCrunch" writer inferred that the product would be targeted at do-gooders on the go. Other news publications also published speculation about the app. In May 2013, while still in stealth mode, Jelly raised Series A funding from Spark Capital, SV Angel, Square CEO Jack Dorsey, Reid Hoffman, Al Gore, Bono, and others. The app release was announced, thereby bringing Jelly out of stealth mode, on January 7, 2014. The announcement was picked