Tumblr is an American microblogging and social networking website founded by David Karp in 2007 and currently owned by Automattic. The service allows users to post multimedia and other... Wikipedia

  • Type of business:  Subsidiary
  • Founder(s):  David Karp
  • Key people:  Matt Mullenweg (CEO)
  • Industry:  Microblogging, social networking service
  • Employees:  411 (June 2017)
  • Data Source:  DuckDuckGo