Twitter has now grown to more than 284 million users worldwide and expanding since Mrch 2006. Dorsey, then an undergraduate student at the New York University, introduced the idea of an individual using an SMS service to communicate with a small group. The project code name for the service was twttr. The project took off on March 21, 2006, when Dorsey sent the first Twitter message: “just setting up my twttr”.
Twitter turns nine
