Forkme on Github
the beginning, of corp take over of opensource movement, circa 2008.
this ribbon, became super popular, was plastered all over the web. It changed how programer perceive the concept of forking a project. Before, forking a software project is frowned upon, considered divisive, not be done unless there is irreconcilable disagreement. After the github gimmick, such notion eroded away. Everyone forks every project, even just as a mean to make a copy of it.