Jack Dorsey attempt to entice new users, since the number of tweets per day had dropped to about 300 million in January 2016 compared to about 500 million in September 2013 and its peak of 661 million in August 2014. On November 22, 2016, Dorsey was briefly suspended from his own Twitter user account with 3.9 million followers. After restoring the account, Dorsey tweeted the suspension was due to an "internal mistake". In February 2017, Dorsey and Executive Chairman Omid Kordestani matched a $530,000 donation to the American Civil Liberties Union (ACLU) raised by Twitter staffers. Their match brought the total donation
Jack Dorsey company in Oakland to dispatch couriers, taxis, and emergency services from the Web. His other projects and ideas at this time included networks of medical devices and a "frictionless service market". In July 2000, building on dispatching and inspired in part by LiveJournal and by AOL Instant Messenger, he had the idea for a Web-based realtime status/short message communication service. When he first saw implementations of instant messaging, Dorsey wondered whether the software's user status output could be shared easily among friends. He approached Odeo, which at the time happened to be interested in text messaging. Dorsey and Biz Stone