co-founder of Twitter
Jack Dorsey is an American computer programmer and businessman widely known as a co-founder of Twitter. Dorsey was born in St Louis, Missouri, on November 19, 1976. Growing up he became very interested in computers and communications at a early age and began programming while still a student at Bishop DuBourge high school.
Creation of Twitter
In 2000 Dorsey came up with an idea of a site that would combine the broad reach of dispatch software with the ease with instant messaging. Within two weeks Dorsey had built a simple site called Twitter where users could instantly post short messages known as Tweets. In 2010 Twitter had more than 105 million users who together Tweeted some 55 million times a day!