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 use by businesses where users and PR professionals can converse, and where PR professionals can promote their brand and improve their company's image by listening and responding to what the public is saying about their product. There are four channels by which social media resources can transform into business performance capabilities: There are four tools or approaches that engage experts, customers, suppliers, and employees in the development of products and services using social media. Companies and other organizations can use these tools and approaches to improve their business capacity and performance. Companies are increasingly using social media monitoring tools to monitor, track, and