Twitter founders Jack Dorsey, Evan Williams, Biz Stone and Noah Glass —
Jack Dorsey, Biz Stone and Evan Williams, seen here with Twitter CEO Richard 'Dick' Costolo, co-founded Twitter along with Noah Glass in 2006. There's no doubt that the creation of Twitter influenced how millions of people communicate. The world figured out how to say what they wanted in 140 characters, social activism found a new home and the speed in which news travels and is disseminated became instantaneous.