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
Fake news website an open letter on the Poynter Institute website to Mark Zuckerberg, imploring him to utilize fact-checkers to identify fraud on Facebook. Signatories to the 2016 letter to Zuckerberg featured a global representation of fact-checking groups, including: Africa Check, FactCheck.org, PolitiFact.com, and "The Washington Post" Fact Checker. In his second post on the matter on 18 November 2016, Zuckerberg responded to the fraudulent news problem by suggesting usage of fact-checkers. He specifically identified fact-checking website Snopes.com, and pointed out that Facebook monitors links to such debunkers in reply comments to determine which original posts were fraudulent. On 15 December 2016, Facebook