• Dick Costolo Tweets Out His University of Michigan Commencement Speech

    May 5, 2013

  • Twitter CEO to the University of Michigan’s graduating class: Be bold, courageous, and in this moment

    May 5, 2013

  • Twitter CEO Dick Costolo Resigns As Director Of Twitter U.K. After TweetDeck Dissolves As Standalone Business

    May 13, 2013

  • Twitter CEO Dick Costolo talks shop about the social network

    May 15, 2013

  • Associated Press Twitter account hacked, tweet about White House bombing ‘untrue’

    Apr 23, 2013

  • Twitter and Comedy Central kick off 5-day #ComedyFest with Mel Brooks’ first tweet

    Apr 29, 2013