4/16/2012: Willow Garage spins out Open Source Robotics Foundation[31] 4/17/2012: DARPA awards software contract to Open Source Robotics Foundation[32] 5/19–20/2012: First ROSCon held in Saint Paul, MN 9/4/2012: First book on ROS published. ROS By Example, by Patrick Goebel 9/17/2012: First commercial robot based on ROS released by Rethink Robotics 11/7/2012: Five year anniversary of ROS, with video compilation 12/3/2012: ROS now running on every continent