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 and television and statistics, "93% of marketers use social media for business." Social media enables companies to collect a lot of information about users and non-users. These parameters are not only reserved to just age, race, and occupation. By analyzing the content which users share, retailers can effectively determine the user's preferences, habits, purchasing power, purchasing patterns and other information. In addition, retailing is buying and selling both goods and consumer services. Shazam, a musical recognition app, is a recent social media and television asset from Silicon Valley. On a technical level, the app can listen to monophonic music which "can be