Jack Dorsey Tweets A Fascinating Twitter History Lesson, 5 Years After Work On “Twttr” Began Posted on March 13, 2011 by jyamasaki Jack Dorsey Tweets A Fascinating Twitter History Lesson, 5 Years After Work On “Twttr” Began. Share this:ShareClick to share on Facebook (Opens in new window)Click to share on Tumblr (Opens in new window)Click to share on LinkedIn (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on Pinterest (Opens in new window)Like this:Like Loading... Related