What is Jack Dorsey?
{{Infobox person | name = Jack Dorsey | image = Jack Dorsey in Washington D.C. - 2018 (MRW 4445) (44538272181).jpg | caption = Dorsey in 2018 | birth_name = Jack Patrick Dorsey | birth_date = {{birth date and age|1976|11|19|mf=y}}<ref>[http://www.facebook.com/jackdorseyofficialpage Jack Dorsey's Facebook account]</ref> | birth_place = [[St. Louis, Missouri]], [[United States|U.S.]] | occupation = [[software designer]], [[entrepreneur]] | net worth = {{Gain}} $650 [[million]] (est.)<ref>{{cite news| url=https://www.forbes.com/pictures/ekge45eg/jack-dorsey/|title=Ones to Watch: Jack Dorsey | work=Forbes | first=List | last=Features}}</ref> }} '''Jack Patrick Dorsey''' (born November 19, 1976)<ref>{{cite news|url= https://www.ajc.com/news/national/who-jack-dorsey-founder-twitter-square/a1Xbw34yAUSVRfjjMXZpdI/|title= Who is Jack Dorsey, co-founder of Twitter, Square?|work=Atlanta Journal Constitution|date=May 9, 2019}}</ref> is an [[Americans|American]] [[software]] developer and business person, widely known as the creator of [[social networking]] service [[Twitter]]. He is also the founder and CEO of [[Square (payment service)|Square]], a mobile payments company.<ref>{{cite news|author=Strange, Adario|title=Flickr Document Reveals Origin Of Twitter|url=http://blog.wired.com/business/2007/04/flickr_document.html|date=April 20, 2007|work=Wired News|publisher=CondéNet|access-date=November 5, 2008}}</ref> In 2008, he was named as one of the top 35 innovators in the world under the age of 35.<ref>{{cite news|title=TR35 Young Innovator|url=http://www.technologyreview.com/tr35/Profile.aspx?Cand=T&TRID=700|year=2008|work=Technology Review|publisher=Massachusetts Institute of Technology|access-date=November 5, 2008|archive-date=July 2, 2015|archive-url=https://web.archive.org/web/20150702184104/http://www2.technologyreview.com/tr35/Profile.aspx?Cand=T&TRID=700|url-status=dead}}</ref> He worked as a model.<ref>[https://twitter.com/jack/status/375089278054711298 Jack Dorsey] ''Tw